Encoder Modulator Decoder Demodulator Module Parameter Configuration kuhikuhi COFDM AT Kauoha

Download the Encoder Modulator Decoder Demodulator Module Parameter Configuration Instructions below if you need a PDF file.

Click to access Encoder-Modulator-and-Decoder-Demodulator.pdf

Update Record:

Version	Lā	hō'ikeʻano
1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1	2016-10-24 2016-11-1 2016-12-26 2017-2-14 2017-2-28 2017-3-27 2017-4-19 2017-5-18 2017-9-12 2018-3-15 2019-6-25 2023-2-24	Initial version ATDR reply distinguishing module ATSE, ATGE add audio switch Add ATSP protocol Add ATST, ATGT protocol ATGE command add AESfor status acquisition Added ATGB protocol AV and HDMI output control Support for obtaining the current AV output standard Added ATSU, ATGUcommands Added ATOSD, ATSIP, ATGIP commands Added ATSAD, ATGAD commands

Users may need to modify the configuration parameters of the module during the use of the COFDM modulator and demodulator module. In order to simplify the user’s operation, we design the parameter configuration into a few simple AT commands. The user only needs to use the specified AT command and pass the corresponding parameters to complete the parameter setting of the COFDM module.

Suitable Models

Command Introduction

The AT command for configuring COFDM module parameters starts with “AT” and ends with an underscore “_”. Each AT command has several or no parameters, and each AT command has a return value. For details, please refer to the introduction of the following commands.

Users can configure the parameters of the module through the configuration serial port (TTL 'ilikai, 3.3V) of the COFDM module. For detailed serial port configuration, refer to the figure below. Please use tools such as “Serial Port Debugging Assistant” to send AT commands to the COFDM module, pay attention to the use of kikokikona, o kahi laʻana:

Encoder Modulator Decoder Demodulator Module Parameter Configuration Instructions COFDM AT Command 1 — Encoder Modulator Decoder Demodulator Module

Command Classification

The AT commands for configuring COFDM module parameters are mainly divided into the following two categories:

Query Commands	ATDR, ATGD, ATGE, ATGI , ATGR, ATGT, ATGB, ATGU, ATGIP
Setting Commands	ATSD, ATSG, ATSM, ATSE, ATSI, ATSO, ATSR, ATSP, ATST, ATSU,ATOSD, ATSIP

From the perspective of whether to save after power-off, the setting commands can be divided into:

Power-off Saving Commands	ATSD, ATSE, ATSI, ATSO, ATSR, ATSP, ATST, ATSU, ATSIP
Power-off Not Saving Commands	ATSG, ATSM, ATOSD

According to the configuration transmitter or receiver, the classification is as follows:

Sender Configuration Commands	ATDR, ATSD, ATGD, ATSG, ATSM, ATSE, ATGE, ATSI, ATGI, ATSO, ATSP, ATST, ATGT, ATSU, ATGU, ATOSD
Receiver Configuration Commands	ATDR, ATSR, ATGR, ATSP, ATST, ATGT, ATGB, ATSIP, ATGIP

Command Details

Ping Command

Format	ATDR_
aiao	ʻAʻole
E ho ohana i	for the integrated system to check whether the serial port is connected and identify the connected modules.
Hoʻihoʻi waiwai	RCB returns the “device profile” string SUE1 returns “ATDRSUE1 OK” string SHD1 returns “ATDRSHD1 OK” string
i hoʻopuka	kauoha ninau

Set Device Command

C:\Users\timyep\AppData\Roaming\Tencent\Users\157871537\QQ\WinTemp\RichOle\E0XEBCD_M4WD[M1BWR$}TK4.png

Set Gain Command

Format	ATSG$( tx1_gain),$( tx1_gain)_ Laʻana: ATSG85.0,85.0_
aiao	tx1_gain: lēkio leo 1 loaa tx2_gain: lēkio leo 2 loaa
E ho ohana i	To dynamically adjust the output power. If the signal SNR/RSSI of the receiver is high, the output power can be reduced through the remote control link. When the SNR/RSSI of the end signal is low, increase the output power (lēkio leo)
Return Value,	Laʻana: ATSG85.0,85.0_set gain 85.000000 85.000000 OK
i hoʻopuka	setting command, power off will not save.

Set Modulation Mode command

Format	ATSM$(gi), $(ʻO ka helu ʻana o ka helu hoʻouna ʻana o ka ʻōnaehana uila uila COFDM), $(constellation)_ Laʻana: ATSM1,1,2_
aiao	Gard interval GI: 0 1/32; 1 1/16; 2 1/8; 3 1 /4; Convolution code rate: 0 1/2; 1 2/3; 2 3/4; 3 5/6; 4 7/8; huihui: 0 QPSK; 1 QAM16; 2 QAM64
E ho ohana i	Dynamically adjust the air interface rate, the air interface rate can be increased when the distance is short, and the air interface rate can be reduced when the distance is long (lēkio leo)
Return Value	Laʻana:ATSM1,1,2_GI:1/16, Kr:2/3, MOD: QAM64, OK
i hoʻopuka	setting command, power off will not save.

Get Device Status Command

Format	ATGD_
aiao	ʻAʻole
E ho ohana i	query the current number of transmit antennas, kiaʻi wā mawaena, convolution code rate, number of constellations, transmit frequency, bandwidth, gain parameters (lēkio leo)
Return Value	Laʻana: ATGD_ SISO, GI:1 /16, Kr: 1/2, MOD: QPSK, freq: 800000KHz, bw: 8000KHz, tx1_gain: 86.000000 tx2_gain: 86.000000 OK
i hoʻopuka	kauoha ninau

Set Encoder Command

Format	ATSE$(llc),$(rt),$(bitrate) ,$(gop),$(Audio)_ Laʻana: ATSE0,0,0.0,0,0_
aiao	1. Enhanced data reliability option llc: 0 disable; 1 enable (requires the receiving end to enable this option at the same time, use in pairs, because more redundant data is added to enhance reliability, the video bit rate of the transmitting end should be set when this option is turned off half of) 2. Real-time priority/quality priority rt: 0 image quality priority; 1 real-time priority; 3. ʻO Bitrate: 0 let system decide; >0 specify bitrate(float) 4. I frame interval GOP: 0 let system decide; >0 specify GOP 5. Audio encoding option audio: 0 disable; 1 enable
E ho ohana i	Used to set encoding parameters (lēkio leo)
Return Value	Laʻana:ATSE0, 0,0.0,0,0_ ? aaeei:0,RT:0,bitrate: 0.0Mbps,gop:0,Audio:0,OK
i hoʻopuka	setting command, save when power is off.

Get Encoder Command

Format	ATGE_
aiao	ʻAʻole
E ho ohana i	querying encoding parameters (sending end)
Return Value	Laʻana:ATGE_MODE:0, RT:0,bitrate:4.0Mbps,gop:10,Audio:0,aes:0, OK
i hoʻopuka	Query command AES means the current encryption status: 0 disable; 1 enable

Get Input Command

Format	ATGI_
aiao	ʻAʻole
E ho ohana i	query the current camera input parameters (lēkio leo)
Return Value	Laʻana:ATGI_input_size: 1080pa, input_rate: 60fps, sensor_type: hdmi,OK
i hoʻopuka	kauoha ninau

Set Input Command

Format	ATSI$(input_size),$(input_rate)_ Laʻana: ATSI1080,25_
aiao	1. Input resolution input_size: 0 let the system detect; >0 specify input size 2. Input frame rate input_rate: 0 let the system detect; > 0 specify input fps
E ho ohana i	To specify the input resolution and frame rate to meet some special signal sources, or some special application needs (lēkio leo)
Return Value	Laʻana: ATSI1080,25_ Input_size:1080pa,input_rate: 25fps, OK
olelo	After the user specifies the input resolution and frame rate through this command, the system will no longer detect the signal source (use with caution). The user can restore the default through the following command: ATSI0,0_Set the command and save it after power-off.

Set Output Command

Format	ATSO$(output_size),$(output_rate)_ Laʻana: ATSO720,30_
aiao	1. lēkio leo: encoding output resolution output_size: 0 equal to input_size; >0 specify output size 2. pa alima: HDMI output resolution (720, 1080) 3. lēkio leo: encoding output frame rate output_rate: 0 equal to input_rate; >0 specify output_rate (fps) 4. pa alima: HDMI output frame rate 720p supports frame rate (50, 60); 1080p supports frame rate (24, 25, 30, 50, 60)
E ho ohana i	1. lēkio leo: Used to specify the encoding output resolution and frame rate to meet the requirements of certain applications for zooming and frame reduction 2. pa alima: used to configure the resolution and frame rate of HDMI output
Return Value	Laʻana: ATSO720,30_ output_size: 720pa, output_rate: 30fps, OK
olelo	1. For HDMI input only, this command is invalid for AV input 2. Output_size <= input_size; output_rate<=input_rate 3. Set the command and save it after the power is off.

Set Input Sources Command (switch HDMI / CVBS hoʻokomo o)

Format	ATSU$(vin),$(ain)_ Laʻana: ATSU0,1 _
aiao	1. Video input selection VIN: 0 let the system detect; 1 force CVBS input; 2 force hdmi/SDI input 2. Audio input selection AIN: 0 let the system detect; 1 force analog input
E ho ohana i	Used to meet specific application requirements (Laʻana: HDMI/SDI input video, MIC input audio)
Return Value	Laʻana: ATSU0,1_ ATSU0,1 OK
i hoʻopuka	setting command, power-off save.

Get User Command

Format	ATGU _ Laʻana: ATGU_
aiao	ʻAʻole
E ho ohana i	To query user-specific configuration
Return Value	Laʻana: ATGU_ ATGU0,1 OK
i hoʻopuka	kauoha ninau return parameter description please refer to the ATSU command

Set Receiver Command

Format	ATSR $(freq), $(bw ), $(llc), $(cvbs)_ Laʻana: ATSR320000,6000,0,0_
aiao	1. DR2C carrier frequency freq(KHz) 200000~860000(200MHz ~ 860MHz, 1ʻanuʻu KHz) 2. DR900 carrier center frequency freq(KHz) 200000~1600000(200MHz~1.6GHz, 1ʻanuʻu KHz) 3. DR2C channel bandwidth bw(KHz) 2000~8000(2MHz~8MHz, 1ʻanuʻu KHz) 4. DR900 channel bandwidth bw(KHz) 3200~8000(3.2MHz~8MHz, 1ʻanuʻu KHz) 5. Enhanced data reliability option llc: 0 disable; 1 enable (it is required that the transmitter should also enable this option at the same time, and use it in pairs. Since more redundant data is added to enhance reliability, the video bit rate of the transmitter should be set to when this option is turned off half of) 6. AV output system cvbs: 0 pal; 1 ntsc
E ho ohana i	To set the receiver parameter
Return Value	example: ATSR320000,6000,0,0_ ATSR320000,6000,0,0 OK
i hoʻopuka	setting command, save when power is off.

Get Receiver Command

Format	ATGR_
aiao	ʻAʻole
ATGR_	the receiving end parameter
Return Value	Laʻana: ATGR_ ATGR320000,6000,0,aes:0,cvbs:0 OK
i hoʻopuka	1. Query command 2. Aes parameter indicates the current encryption status: 0 disable;1 enable 3. CVBS parameter Indicates the current AV output standard: 0 pal;1 ntsc

Get Bit Error Rate Command

Format	ATGB_
aiao	ʻAʻole
E ho ohana i	querying the bit error rate and signal strength of the dual antennas at the receiving end
Return Value	Laʻana: ATGB_ ATGB ber1:0.00% ber2:0.00% RSSI1 :54 RSSI2:53 Lock1:1 Lock2:1 OK
olelo	1. Query commands 2. Ber1 and ber2 respectively indicate the bit error rate of each antenna, ranging from 0.0% i ka 100.0% 3. RSSI1 and RSSI2 respectively indicate the signal strength of each antenna, ranging from 0 i ka 100 4. Lock1 and Lock2 respectively indicate the signal locking status of each antenna (1 Represents signal lock)

Set Password Command

Format	ATSP$(hua huna), $(hua huna)_ Laʻana: ATSP123456, 123456_
aiao	AES key password: 6-huaʻōlelo huahelu (ASCII) AES key password: 6-huaʻōlelo huahelu (ASCII) (repeat it for confirmation)
E ho ohana i	Used to set the AES key of the transceiver (lēkio leo a me ka pa alima)
Return Value	Laʻana: ATSP123456_ ATSP123456 OK
i hoʻopuka	1. When the password is all 0, AES encryption is turned off. 2. Set the command and save it after powering it off.

Set Data Transfer Command

Format	ATST$(baud kōmi), $( parity)_ Laʻana: ATST115200,0_
aiao	1. Baud rate baud rate: 1200、2400、4800、9600、19200、38400、57600、115200 2. Check Code: 0: ʻAʻohe; 1: ʻAno ʻē; 2: ʻOiai
E ho ohana i	Used to set the baud rate and parity bit of the serial port for data transparent transmission
Return Value	Laʻana: ATST115200,0_ ATST115200,0 OK
olelo	Set command

Get Data Transfer Command

Format	ATGT_
aiao	ʻAʻole
E ho ohana i	Used to query the baud rate and check code
Return Value	Laʻana: ATGT_ ATGT115200,0 OK
olelo	Query command

Set IP Address Command

Format	ATSIP$(ip), $(ip)_ Laʻana: ATSIP192.168.1.215,192.168.1.215_
Nā ʻāpana	Local IP address Local IP address (repeat to confirm)
E ho ohana i	Used to set the receiver IP address
Return Value	Laʻana: ATSIP_192.168.1 .215,192.168.1.215_ ATSIP192.168.1.215 OK
olelo	1. After setting the IP address, the receiving end needs to be restarted to take effect. 2. Set the command and save it after powering it off.

Get IP Address Command

Format	ATGIP_ Laʻana: ATGIP_
aiao	ʻAʻole
E ho ohana i	e nīnau i ka helu IP o kēia manawa o ka hopena e loaʻa ai
Hoʻihoʻi waiwai	Laʻana: ATGIP_ ATGIP192.168.0.215 OK
i hoʻopuka	kauoha ninau

OSD Overlay Protocol

Format	ATOSD$(idx), $(m), $(y), $(str)_ Laʻana:ATOSD0,40,20,height: 100m_
aiao	1. IDX index: 0~7 (supports OSD overlay for 8 areas) 2. X-coordinate: 0~1919 3. Y coordinate: 0~1079 4. str: the string to be displayed at the corresponding coordinates (the space symbol is used to clear the display)
E ho ohana i	on the video screen.OSD information
Hoʻihoʻi waiwai	ʻAʻole
olelo	1. The user specifies the x and y coordinates of the OSD display according to the maximum 1920×1080 nā kiko kiʻi, and the system will correct the coordinates according to the actual display situation. 2. The ‘_’ character cannot be contained in the str parameter

Set Gain To Adjust

Format	ATSAD$(freq),$(adjust) _ Laʻana:ATSAD700000,2.5_
aiao	wireless central working frequency： Freq(KHz) 200000~2700000(200MHz~2.7GHz, step: 1KHz) Adjust the value(DB): ATSD cmd will subtract this value to set the wireless gain
Launch	Specify and adjust the value for the wireless gain setting using by ATSD cmd
mana'o kōkua	Laʻana: ATSAD700000,2.5_ freq:700000,adjust:2.50 OK
Manaʻo manaʻo	Setting command is still valid when stopping power or resetting.

Get Gain To Adjust

Format	ATGAD[$(freq)]_ Laʻana:ATGAD700000_
aiao	wireless central working frequency： Freq(KHz) 200000~2700000(200MHz~2.7GHz, step: 1KHz) When no parameter provides, it will list all the freq that have adjusted value.
Launch	Inquiry adjust the value for wireless gain setting using ATSD cmd
mana'o kōkua	Laʻana: ATGAD700000_ freq:700000,adjust:2.50 OK ATGAD_ freq:700000 750000 OK
Manaʻo manaʻo	Inquiry command.

Serial Port Utility software download

https://www.alithon.com/downloads

NPP

1. How can I return to the No Password setting with 000000 indications after the change?

Reset the password to 000000 (one must not be missing) through the Parameter Configuration Panel Board.
or set it through i ka ATSP_command

2. I see that Gain is the output power of the transmitter. Please tell me the range of settings of this parameter. All setting level (waiwai i loaa) good for linear output operation? Or do you suggest some limited range for better linear operation?

The Gain of the COFDM configuration is the internal Gain, not the actual output power of the transmitter. The internal gain range is 0~89.75dB and the linear output:
1. At around 300~500MHz, the Gain is set to 89.75, and the actual output power of the transmitter module is about -5dBm.
2. At around 1000~1500MHz, the Gain is set to 89.75, and the actual output power of the transmitter module is about -6dBm to -10dBm.

3. I tried to set – B bandwidth (kHz) and E bit rate (Mbps). When I set E, the new value does not apply. No laila. the E setting is only for monitoring of available bitrate? if I wish to change the E (ʻO Bitrate) I have to change only B (bandwidth)? Am I right?

It is not recommended to modify the video bit rate ‘E’ directly, because if the output video bit rate is greater than the wireless air interface rate, the system will not work normally.
By default, the internal video bit rate ‘E’ will be set to 0 for automatic. Customers only need to modify ‘B’ to modify the wireless parameters, and the video bit rate will automatically adapt.
You can also adjust the wireless air interface rate by modifying GI and CR.

For more details on the Encoder Modulator Decoder Demodulator Module, please send an inquiry to us.

Kānana

COFDM Modulator-Demodulator Module 2X video Encoder-Decoder Board hdmi cvbs low latency

Modulator Demodulator Module Encoder Decoder HDMI CVBS AV Input AES 256 FHD RF streaming COFDM

drone uav low latency COFDM Modulator-Demodulator Module Encoder-Decoder Board hdmi cvbs

COFDM Modulator Demodulator Module Encoder Decoder HDMI CVBS AV Input AES 256 FHD RF kahe ana

Q: 1. How can I return to the No Password setting with 000000 indications after the change?

Reset the password to 000000 (one must not be missing) through the Parameter Configuration Panel Board. or set it through the ATSP _command

Q: 2. I see that Gain is the output power of the transmitter. Please tell me the range of settings of this parameter. All setting level (Gain) good for linear output operation? Or do you suggest some limited range for better linear operation?

The Gain of the COFDM configuration is the internal Gain, not the actual output power of the transmitter. The internal gain range is 0~89.75dB and the linear output: 1. At around 300~500MHz, the Gain is set to 89.75, and the actual output power of the transmitter module is about -5dBm. 2. At around 1000~1500MHz, the Gain is set to 89.75, and the actual output power of the transmitter module is about -6dBm to -10dBm.

Q: 3. I tried to set - B bandwidth (kHz) and E bit rate (Mbps). When I set E, the new value does not apply. So. the E setting is only for monitoring of available bitrate? if I wish to change the E (Bitrate) I have to change only B (bandwidth)? Am I right?

It is not recommended to modify the video bit rate 'E' directly, because if the output video bit rate is greater than the wireless air interface rate, the system will not work normally. By default, the internal video bit rate 'E' will be set to 0 for automatic. Customers only need to modify 'B' to modify the wireless parameters, and the video bit rate will automatically adapt. You can also adjust the wireless air interface rate by modifying GI and CR.

SKU: Vcan1776 'ē aʻe: COFDM, TX RX Module, Unidirectional One-Way Tags: COFDM, cofdm demodulator, Hoʻokahi ala

COFDM Modulator Demodulator Module Encoder Decoder HDMI CVBS AV Input AES 256 FHD RF kahe ana

Papa helu

Another side view

Modulator Demodulator Module Encoder Decoder HDMI CVBS AV Input AES 256 FHD RF streaming parameter configuration board — COFDM Modulator Demodulator HDMI CVBS Module Encoder Decoder HDMI CVBS AV Input AES 256 ʻO ka papa hoʻonohonoho hoʻonohonoho FHD RF streaming

COFDM Encoder module, CVBS / HDMI hoʻokomo o, puka IP

Composite CVBS input IP RJ45 Ethernet output Ultra-low latency encoder board, HDMI CVBS Encoder — Hoʻokomo ʻia ka CVBS hoʻokomo IP RJ45 Ethernet hoʻopuka ʻana i ka papa encoder latency haʻahaʻa haʻahaʻa haʻahaʻa, HDMI CVBS Encoder

No nā kikoʻī hou aku e pili ana i ka COFDM encoder board, e kipa mai maanei

COFDM Encoder module Pōmaikaʻi:

ʻO ka lōʻihi haʻahaʻa haʻahaʻa H.265/H.264 leo a me ka hoʻopāpā wikiō kākoʻo kiʻekiʻe loa 1080P@60 kiʻi wikiō manawa maoli a hoʻopili.
HDMI a i ʻole AV leo a me ka hoʻokomo wikiō, ma hope o ka hoʻopili ʻana, ka puka puka ʻo Ethernet a i ʻole Output i ka module uea, Hiki ke hoʻonohonoho paʻa ʻia ke wikiō e hoʻopili ana i ka bit rate
Kākoʻo nā leo o nā manaʻo kōkua a me nā leo omńkalakala auaiaea
Kākoʻo i ʻelua wikiō (HDMI + AV) hoʻopili hoʻokomo like (koho, ʻO ka paʻamau ʻo HDMI a i ʻole AV encoding, koho i hoʻokahi mai ʻelua kumu hoʻokomo). )
UI pūnaewele ole port serial UART AT kauoha no ka hooponopono ana

HDMI CVBS composite SDI video input encoder board digital IP ethernet output H264 H265 module board — HDMI CVBS composite SDI hoʻokomo wikiō encoder papa kikohoʻe IP ethernet puka H264 H265 module papa

COFDM transmitter module

COFDM Wireless video transmitter module RCB board — COFDM Wireless wikiō transmitter module RCB papa

Change RF connector from IPEX to MMCX for COFDM wireless video transmitter encoder modulator board

COFDM modulator-demodulator datasheet download

COFDM demodulator Vcan1776RX-H264 datasheet

The last version of the TX RX board

HI: V6.5.6p

RX: 4.1.2pa

FAQs

1. What should I do when I found one Tx module doesn't generate RF output power?

Ninau 1: Hiki iā ʻoe ke haʻi mai iaʻu i ka helu hapa o kēia ʻāpana, ho'āʻo mākou e ʻimi i ka wahi a nānā. pane 1: He inductance ia i kapa ʻia ʻo LOH32PN2R2NNC.

COFDM-Transmitter-Module-no-tx output power — COFDM-Transmitter-Module-no-tx mana puka

Manaʻo i nā kiko kikoʻī: Inā maikaʻi ka mana lako o ka papa akā ʻaʻohe puka RF, malia paha ka mea i lalo TC1-1-13MX+ pōʻino maʻamau.
I mea e pale aku ai i ka poino o keia mea i ka wa o ka lawe ana (ʻoi aku ka kiʻekiʻe o ka hāmeʻa ponoʻī), kauoha mākou i ka pale glue ʻulaʻula no kēia mea i ka wā i hoʻouna aku ai mākou.

Manaʻo pū ka ʻenekinia e nānā ʻoe e ʻike inā ua hemo ke kaula a i ʻole ka pilina maikaʻi ʻole.
E ʻoluʻolu e hoʻāʻo e pani i ke kaula FPC e hoʻopili ana i nā papa ʻelua
We can provide spare parts if you're sure which one.

2. Hiki iā ʻoe ke hāʻawi mai iaʻu i ka faila kauoha UART AT no kēia kumu hoʻohālike?

ʻOiaʻiʻo

E ʻoluʻolu e nānā i ka loulou ma lalo nei.

Encoder Modulator Decoder Demodulator Module Parameter Configuration kuhikuhi COFDM AT Kauoha

3. Pehea e kākoʻo ai kēia mea hoʻolele wikiō COFDM a me ka mea hoʻokipa i kahi kamera IP?

1. ʻAʻole maʻalahi ka hoʻopili ʻana iā IPC no kahi loulou COFDM ala hoʻokahi. Loaʻa iā mākou kahi hiʻohiʻona H264, i hoʻopiliʻia i ka hoʻokomo IPC ma ka hoʻonuiʻana i ke awa pūnaewele, akā aia nā koi no nā hiʻohiʻona IPC (ʻAʻole hiki ke hoʻopili maikaʻi ʻia nā hiʻohiʻona a pau o IPC me nā loulou COFDM), ua ho'āʻo mākou i nā IPC o Hikvision, Dahua, a me Xiongmai, a ua ike i ka hopena pili o Hikvision he kūpono loa.

2. ʻAʻole hiki ke wehe pololei i ka Encoder HDMI CVBS a hoʻohui i ka IP Camera i ka COFDM Transmitter board. Pono ka pilina COFDM hoʻokahi ala i ka IPC i nā ʻano loea kūikawā e ʻike ai.

3. ʻO ke ala maikaʻi loa ʻo ka ʻōlelo ʻana i ka hoʻohana ʻana i kā mākou transceiver hoʻoili kiʻi ʻelua ala, e kākoʻo pololei ana i ka kamera IP.

4. Inā pono ka mea kūʻai aku e hoʻohana i ka COFDM transmitter board e kākoʻo i ka kamera IP, ʻelua mau mea e hoʻolohe ai.

5. ʻO ka helu mua he pilikia ʻenehana. Pono mākou e hoʻohana i kahi ala ʻē aʻe e ʻae i nā loulou COFDM unidirectional e hoʻohana ʻia me IPC.

6.Ināʻoe e noʻonoʻo i ka IPC mai ka hiʻohiʻona o ka ho'ēmi kumukūʻai, you don't need to consider it. No ka mea, pono mau ka papa encoding a me ka decoding board, ʻaʻole hiki ke mālama ʻia ke kumukūʻai.

7. The second point is the customer's usage habit, ʻaʻole ia ke ʻano kuʻuna kuʻuna ʻelua ala loulou. Hiki iā lākou ke nānā i ka IP Camera Video a me ka mālama ʻana i ka PTZ o ka IP Camera ma o ka ʻaoʻao pūnaewele a i ʻole nā polokalamu PC ʻaoʻao PC (UART AT nā kauoha).

8. Ma muli o kēia kumu hoʻohālike ueaʻole loulou he COFDM hoʻokahi ala loulou; ʻaʻohe ʻikepili huli (hoʻokahi ala hoʻoili wale; ʻAʻole hiki ke hoʻouna ʻia ka ʻikepili mai ka mea lawe i ka mea hoʻouna); the customer can only watch the video of the IP Camera and cannot reversely configure the IP Camera's parameters or control the PTZ of the IPCamera.

9. He pilikia kēia i nānā ʻole ʻia e nā mea kūʻai aku ma hope a hoʻopiʻi ma hope ma hope o ka hoʻohana ʻana.

10. So we don't recommend that the client choose a one-way COFDM transmitter and receiver for the IP camera. Loaʻa iā mākou kahi hopena maikaʻi no ka IP Camera ma o ʻelua transceiver loulou wikiō.

4. Hiki iā ʻoe ke hāʻawi mai iaʻu i ka C/N i koi ʻia (BER=2x10-4 ma hope o Viterbi) no nā bandwidths ʻokoʻa 2, 4, 6, a 8 Mhz o ka loulou wikiō HDMI a mākou e hoʻohana nei?

1. I kēia manawa, Hāʻawi ka mea hoʻokipa i ʻelua mau ʻāpana o ka ikaika hōʻailona a me ka hapa hapa iki, a ʻaʻohe ʻāpana C/N

2. He aha nā ʻāpana āu e pono ai e hoʻoponopono e like me nā bandwidths like ʻole? Inā he wikiō code stream, e helu 'akomi ka papa ho'opā 'ana i ke kahawai wikiō e like me nā palena uea i ho'ohana 'ia i kēia manawa (bandwidth, GI, Kr, etc.), a e ʻike ʻia ka helu wikiō wikiō ma hope o ka hoʻololi ʻana i ka bandwidth me ka papa hoʻohālikelike e hoʻololi aunoa.

cofdm video transmitter parameter configuare tool

3. ninau, Inā lawa ka maikaʻi o kā mākou pahupaʻikiʻi no nā mea ʻelua 4 MHz a o 8 MHz bandwidth. Ma keia hihia, Pono ka mea kūʻai e koho 4 MHz ole 8 MHz?

pane: Hoʻohana kā mākou hoʻouna COFDM ala hoʻokahi i ka bandwidth uila 4Mz ma ka paʻamau, e pili ana i kahi wikiō bit rate o 3.12Mbps, ua lawa ia no 1080p; Inā hoʻololi ʻia i ka bandwidth uila 8MHz ma lalo o nā kūlana like, pālua ka bit rate wikiō i 6.24Mbps. Hiki i nā mea kūʻai a pau ke koho ma waena o ka bandwidth uila 4MHz a me 8MHz, hiki ke noʻonoʻo ʻia ʻo 6MHz.

4. ninau: ʻO wai ka mea ʻoi aku ka maikaʻi no kēia hoʻonohonoho tx+rx mai kahi ʻike ʻike naʻau?

pane: No na loulou uwea ole, hiki ke noʻonoʻo wale ʻia e ʻoi aku ka kiʻekiʻe o ka naʻau o ka loaʻa ʻana ma nā bandwidth uea haʻahaʻa. Mai ka manaʻo o ka loaʻa ʻana o ka naʻau, 4MHz>6MHz>8MHz

5. He aha ka mana HDMI ma ke komo ʻana o Modulator?

HDMI 1.4

6. Loaʻa iā ʻoe kekahi COFDM Relay Repeater Module no ka mea hoʻouna wikiō uila a me ka mea loaʻa？

ʻOiaʻiʻo

E ʻoluʻolu e nānā i ka loulou ma lalo nei

COFDM Relay Repeater module no ka drone UAV mea hoʻolele wikiō uila a me ka mea hoʻokipa Vcan1870

COFDM Relay repeater for wireless video transmitter and receiver — ʻO ka COFDM Relay repeater no ka mea hoʻouna wikiō uila a me ka mea hoʻokipa

7. Hiki ke hoʻouna mai iaʻu i ana ʻikepili o ka naʻau no 4/6/8 MHz hihia? ʻo kahi laʻana, no QPSK, 1/2Kr, 1/32GI what threshold reception RX's input level (dBm)?

Kaila hoʻokahi e loaʻa ana ka naʻau:

-97+/-1dbm ma QPSK 8MHz,

-98+/-1dbm ma QPSK 6MHZ,
Hoʻonui ʻia ka sensitivity e 3dbm i ka wā e loaʻa ai me nā antenna ʻelua

8. Kākoʻo kēia module ma luna o 1.4G? no ka laʻana 2.4G, 3G, a i ʻole 3.6G?

ʻAe, kākoʻo.

COFDM Video encoder modulator transmitter module 3.5G a me 4G hopena hōʻike.

9. Ma hea e hiki ai iaʻu ke hoʻoiho i ka mea pāʻani UDP? Manaʻo mākou iā Splayer_v4.2_2020.6.6 a mākou e hoʻohana pinepine ai.

Kākoʻo ka mea hoʻohana paʻamau firmware i ka mea pāʻani RTSP, makemake kekahi mau mea kūʻai aku i ka mea pāʻani UDP, ka mea hiki ia makou ke haawi aku, then RTSP player doesn't support. （Hiki iā RTSP a me UDP ke koho i hoʻokahi o nā firmware ʻelua）

E ʻoluʻolu e hoʻoiho ma ka loulou ma lalo nei.

Splayer_v4.2_2020.6.6

https://drive.google.com/file/d/1ihzUhfnx2Wo3zLO8UAs1aUQeLswonJD-/view?usp=sharing

Splayer_v4.3_2022.10.22

https://drive.google.com/file/d/1PQc-LZ55qGnjeMsjkHYSloHfY3NEUsGH/view?usp=drive_link

Mea hoʻokani UDP: Hoʻonohonoho ʻo Splayer no ke kahawai ola

10. Hiki iā ʻoe ke hāʻawi i kahi pahu metala no ka pale ʻana i ka papa hoʻokipa COFDM?

ʻOiaʻiʻo, e ʻoluʻolu e nānā i ka kiʻi o lalo.

long range Wireless Video Transmitter and Receiver for Camera drone — ka lōʻihi o ka mea hoʻolele wikiō uila a me ka mea loaʻa no ka pahu pahu pahu

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Pehea e hoʻololi ai i ka hoʻokomo wikiō HDMI a i ʻole CVBS ma o ke kauoha UART AT?

Pehea e hoʻonui ai i ka mea hoʻokipa wikiō COFDM

How to upgrade the COFDM drone video encoder modulator board

COFDM Wireless Video encoder modulator board delay low latency — COFDM Wireless Video encoder modulator board

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107625

Format	ATSD $(mimo), $(gi), $(ʻO ka helu ʻana o ka helu hoʻouna ʻana o ka ʻōnaehana uila uila COFDM), $ (constellation), $(freq(KHz)), $(bw(KHz)), $(tx1_gain), $(tx2_gain)_ Laʻana: ATSD0,1,0,0,800000,8000,86.0,86.0_
aiao	One Antenna/Dual antenna mimo: 0 mimo disable; 1 mimo enable Guard Interval GI: 0 1/32; 1 1/16; 2 1/8; 3 1/4 Convolution Code Rate: 0 1/2; 1 2 /3; 2 3/4; 3 5/6; 4 7/8; huihui: 0 QPSK; 1 QAM16; 2 QAM64; RCB Carrier Center Frequency(kHz) 200000~2700000(200MHz~2.7GHz, 1ʻanuʻu KHz) RC900 Carrier center Frequency(kHz) 750000~930000(750MHz ~ 930MHz, 1ʻanuʻu KHz) RCB Channel bandwidth bw(KHz) 2000~8000(2MHz~8MHz, 1ʻanuʻu KHz) RCB Channel bandwidth bw(KHz) 2000~8000 (2MHz~8MHz, 1ʻanuʻu KHz) Transmitting antenna 1 gain tx1_gain 0.0~89.75dB, 0.25dB stepping Transmitting antenna 2 gain tx2_gain 0.0~89.75dB, 0.25dB stepping
Return Value	e like me:ATSD0,1,0,0,800000,8000,86.0,86.0_ SISO,GI: 1/16, Kr:1/2, MOD: QPSK, freq:800000KHz,bw:8000KHz,tx1_gain:86.000000 tx2_gain:86.000000 OK
Note	Set command, save when power off. Different Bandwidths, kiaʻiʻanuʻu, Convolution code rates, Data rate calculation formulas corresponding to constellations Air interface rate Rate(ʻO ka helu ʻana o ka helu hoʻouna ʻana o ka ʻōnaehana uila uila COFDM) ʻO ka helu ʻana o ka helu hoʻouna ʻana o ka ʻōnaehana uila uila COFDM (BandWidth(MHz) * 8.0/7.0) / (1+GI) * 1512/2048ʻO ka helu ʻana o ka helu hoʻouna ʻana o ka ʻōnaehana uila uila COFDM(ʻO ka helu ʻana o ka helu hoʻouna ʻana o ka ʻōnaehana uila uila COFDM) ʻO ka helu ʻana o ka helu hoʻouna ʻana o ka ʻōnaehana uila uila COFDM * 188/204. Taking 8MHz bandwidth as an example, different guard intervals, convolution code rates, data rates corresponding to constellations and required receiving signal-to-noise ratios $C:\Users\timyep\AppData\Roaming\Tencent\Users\157871537\QQ\WinTemp\RichOle\E0XEBCD_M4WD[M1BWR$}TK4.png$

27ei 110ei NLOS NPP

Wela loa HDMI haʻahaʻa haʻahaʻa loa NPP

Module hoʻouna wikiō ʻole

AI SDK Module Papa

DVB-T2 Module

ISDB-T Module

Papa Encoder HDMI

Encoder Modulator Decoder Demodulator Module Parameter Configuration kuhikuhi COFDM AT Kauoha

Update Record:

Suitable Models

Command Introduction

Command Classification

Command Details

Ping Command

Set Device Command

Set Gain Command

Set Modulation Mode command

Get Device Status Command

Set Encoder Command

Get Encoder Command

Get Input Command

Set Input Command

Set Output Command

Set Input Sources Command (switch HDMI / CVBS hoʻokomo o)

Get User Command

Set Receiver Command

Get Receiver Command

Get Bit Error Rate Command

Set Password Command

Set Data Transfer Command

Get Data Transfer Command

Set IP Address Command

Get IP Address Command

OSD Overlay Protocol

Set Gain To Adjust

Get Gain To Adjust

Serial Port Utility software download

NPP

1. How can I return to the No Password setting with 000000 indications after the change?

2. I see that Gain is the output power of the transmitter. Please tell me the range of settings of this parameter. All setting level (waiwai i loaa) good for linear output operation? Or do you suggest some limited range for better linear operation?

3. I tried to set – B bandwidth (kHz) and E bit rate (Mbps). When I set E, the new value does not apply. No laila. the E setting is only for monitoring of available bitrate? if I wish to change the E (ʻO Bitrate) I have to change only B (bandwidth)? Am I right?

COFDM Modulator Demodulator Module Encoder Decoder HDMI CVBS AV Input AES 256 FHD RF kahe ana

COFDM Modulator Demodulator Module Encoder Decoder HDMI CVBS AV Input AES 256 FHD RF kahe ana

Another side view

COFDM Encoder module, CVBS / HDMI hoʻokomo o, puka IP

COFDM Encoder module Pōmaikaʻi:

COFDM transmitter module

COFDM modulator-demodulator datasheet download

The last version of the TX RX board

FAQs

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