SNM401 ad hoc network module 自组网模块规格书

SNM401自组网模块规格书

1、产品描述

SNM401无中心自组网模块实现了各模块相互之间的无中心远距离通信采用全球最新的LDPC编解码技术相对于传统电台所使用的RS级联卷积码可有5dB的编码增益同时通过 “自中继无线通信”技术创新性地实现各模块之间自动中继从而大大提高了覆盖效果和传输距离SNM401采用自组网无线通信技术任意节点可以接收处理来自多个节点同时转发的同一信号将这些来自不同节点转发的信号进行信号合并最大可能地解调原始信息具有更大的传输距离和更高的传输可靠性自组网无线通信技术不需要路由多个节点通过接收信号质量和场强自动判决是否启动转发将中继由多跳单点中继提升为多跳多点中继将中继从线状中继提升为网状中继中继网络中任意节点发生断线脱网时中继网络中的其它中继线路正常工作使得中继效果不受影响

2、产品特点

◆工作频率:400-500MHz

◆单跳传输距离:3~5Km

◆动态拓扑收敛:1 Millisecond

◆发射功率:1W

◆接收灵敏度:-127dBm

◆工作电压:3.5-4.5V

◆信噪比门限:1dB

◆信道间隔:12.5Khz

◆频率稳定度:1ppm

◆互调:65dB

◆加密:256AES

◆杂散响应抗扰性:75dB

◆邻道选择性:65[email protected]

◆工作温度:-40~+85℃

◆模块尺寸:33.5X42X3.4mm

3、Goobta codsiga

◆物联网 ◆单兵系统 ◆应急广播

◆无人机 ◆实时远程控制 ◆数字对讲

◆应急通信 ◆机器人 ◆无线数据传输

4、工作参数

表一工作参数表

参数条件最小典型最大单位
Inta jeer ee shaqada 400 500MHz
Heerkulka shaqada -4025+85
danab Operating 3.544.5V
Awood gudbin  30 dBm
Qaadashada dareenka -130-127-125dBm
最大射频输入功率   +33dBm
串口波特率  115200 bps
休眠电流@ EN=0 40 uA
接收电流  160 MA
发射瞬时电流@VCC==4V,1W  1800MA
发射平均电流@VCC==4V,1W 600 MA
音频输入电压   1.5VPP
音频输出阻抗  150 Ohm

如果模块工作条件超过上述各项极限值可能对模块造成永久性损坏

5、模块引脚及定义

SNM401-Ad-Hoc-Network-Module-pin-define
SNM401-Ad-Hoc-Network-Module-pin-define

1 SNM401 引脚图

2 类型缩写表

缩写描述
AIAnalog input
AOAnalog output
AIOAnalog bi-direction
DIDigital input
DODigital output
DIODigital bi-direction
PPower
GDhulka

3 SNM401引脚定义

Pin NOPin namenoocaDescription
1GNDGGND
2QURAANJOAIO天线口
3GNDGGND
4GNDGGND
  5V-BATP外接 3.5V-4.5V 电池或电源建议 4V
6V-BATP
7GNDGGND
8GNDGGND
9TX_STATEDO模块发射指示信号高电平为发射
10RX_STATEDO模块接收指示信号高电平为接收
11NC No connect
12NC No connect
13GNDGGND
14TXDDO串口数据发射脚
15RXDDI串口数据接收脚
16SETDI模块串口配置信号高电平时配置参数低电平时收发数据
17ENDI模块开启使能信号高电平开启低电平关闭
18GNDGGND
19PRO1DIO可编程定义管脚
20PRO2DIO可编程定义管脚

模块内部经过 3.3V LDO 稳压所有的数字 IO 均为 3.3V 电平

6、封装尺寸

SNM401-Ad-Hoc-Network-Module-size-dimension
SNM401-Ad-Hoc-Network-Module-size-dimension

2 SNM401 尺寸图

SNM401-Ad-Hoc-Network-Module-Package-diagram
SNM401-Ad-Hoc-Network-Module-Package-diagram

3 SNM401 封装图

7、LAYOUT 注意事项

1、SNM401 模块工作在 400-500MHz应避免各种因素对无线收发的影响

2、模块下方铺大片 GND走线尽量往外围延伸

3、建议在基板上的模块贴装位置使用绝缘材料进行隔离例如在该位置放一个整块的丝

4、尽量走一条短而粗电源线给模块推荐铜线宽度80mil去耦电容尽量靠近电源引脚放置

8、软件配置

8.1 参数配置

用户可通过串口进行参数获取配置串口波特率 115200,数据位 8bit停止位 1bit无奇偶校验位

4 串口包格式

串口表格包
识别字长度指令指令回复/回复内容
1Byte1Byte1ByteNBytte

8.1.1 识别字

识别字固定为 0x68

8.1.2 长度

长度 = 指令 + 指令内容/回复内容

8.1.3 指令

5 串口指令表

功能指令指令内容回复内容
获取射频参数0x00Frequency(4Byte)+awood(1Byte)+配置 状态(1Byte)+底噪(2Byte)+基带 版本号(1Byte)
设置射频参数0x01Frequency(4Byte)+awood(1Byte)
获取数据中继等级0x0C数据中继等级(1Byte)
设置数据中继等级0x0D数据中继等级(1Byte)
获取密钥0x0E密钥(32Byte)
设置密钥0x0F密钥(32Byte)
获取模块版本0x12模块名称+版本号
模块就绪0x55
保存配置0x66
数据接收0xA2透传数据(NByte)
数据发送0xB2透传数据(NByte)

8.1.4 指令内容/回复内容

8.1.4.1 获取射频参数

Frequency:单位为 Hz设置范围为 400000000~5000000000精度为 500HHz

awood:1-高功率 1W,0-低功率 0.5W默认为高功率 1W

配置状态指示射频配置状态,0-未初始化,1-配置中,2-配置成功

底噪指示当前频率噪声强度只有当配置状态为 2 时才有意义

基带版本号高 4bit 代表主版本号低 4bit 代表次版本号

配置包:0x68 0x01 0x00

返回包:0x68 0x0A 0x00 频率 功率 配置状态 底噪 基带版本号

8.1.4.2 设置射频参数

配置射频参数后须等待配置成功后(约 2 秒)模块才能正确进入设定工作状态

配置包:0x68 0x06 0x01 频率 功率

返回包:0x68 0x01 0x01

8.1.4.3 获取数据中继等级

SH无中心自组网技术是同播网状中继方式不需要路由可大幅度提高覆盖范围中继跳数 N 是指在数据传输时可以进行中继的跳数最大中继跳数为 16。每增加一跳传输距离会增加一倍但传输时间会相应增加如下表所示

6 中继等级比较

中继跳数传输字节数传输时间
N <36N*50ms
N37-72N*100ms
N73-108N*150ms
N109-144N*200ms
N145-180N*250ms
N181-216N*300ms
N217-252N*350ms
N253-288N*400ms

配置包:0x68 0x01 0x0C

返回包:0x68 0x02 0x0C 数据中继等级

8.1.4.4 设置数据中继等级

配置包:0x68 0x02 0x0D 数据中继等级

返回包:0x68 0x01 0x0D

8.1.4.5 获取密钥

密钥用于通信加密模块将自动丢弃密钥与自身密钥不一致的语音信息数据信息密钥默认为全 0。

配置包:0x68 0x01 0x0E

返回包:0x68 0x21 0x0E 密钥

8.1.4.6 设置密钥

配置包:0x68 0x21 0x0F 密钥

返回包:0x68 0x01 0x0F

8.1.4.7 获取模块版本

配置包:0x68 0x01 0x12

返回包:0x68 0x15 0x12 0x53 0x69 0x6D 0x75 0x6C 0x48 0x6F 0x63 0x32 0x36 0x31 0x38 0x5F 0x56 0x31 0x2E 0x30 0x2E 0x30 0x00 即“SimulHoc2618_V1.0.0”

8.1.4.8 模块就绪

指令将在设备上电初始化完成后自动发送指示设备已就绪

返回包:0x68 0x01 0x55

8.1.4.9 保存配置

指令将所有设置保存至 Flash重上电后将直接使用已保存配置

配置包:0x68 0x01 0x66

返回包:0x68 0x01 0x66

8.1.4.10 数据接收

当 SET 引脚为低电平时模块将接收到的数据包直接透传给用户长度根据实际透传数据长度变化

返回包:0x68 长度 0xA2 透传数据

8.1.4.11 数据发送

当 SET 引脚为低电平时才能进行数据发送单次发送数据不超过 36 字节长度根据实际透际透传数据长度变化若收到返回包表明本次数据发送失败

配置包:0x68 长度 0xB2 透传数据

返回包:0x68 0x01 0xB

窄带自组网手台
窄带自组网手台

Fiidiyowgii ugu dambeeyay ee tijaabadii diyaaradda Drone-ka-wareega-dheer ee Wirless Video Gudbiyaha iyo qaataha

2W PA 27KM Tijaabada dhabta ah ee buurta sare ilaa dhinaca badda ee Line-of-Sight

Ugu dambeeyay 110km Tijaabi muuqaalka diyaaradda Drone-ka-wareega-dheer ee Wirless Video Gudbiyaha iyo qaataha

Fiidiyowga fiidiyaha wirelesska ah ee NLOS iyo fiidiyoowga tijaabada qaataha ah ee tijaabinta ee dhismaha wiishka gudaha ee aan khadka aragga ahayn

65 KM Drones UAV Run ahaantii Duulaya Tijaabada Gudbinta Fiidiyowga Wireless

65 KM Drones UAV Run ahaantii Duulaya Tijaabada Gudbinta Fiidiyowga Wireless

1.5km dhulka NLOS, 10-20-30km LOS hawada ilaa dhulka gudbinta gudbinta fiidiyoowga wireless

COFDM-912T NLOS (non-line hortiisa) 1.5km imtixaanka dhabta ah ee magaalada, dhismayaal, geedaha iyo waddooyinka

Maareynta Aaladda Shabakadda UI ee isku xirka xogta fiidyaha ee UAV ee gudbinta kamarada IP Net

Gudbiyaha Fiidiyowga ee ugu jaban ee CVBS RCA 720P + 1080Taageerada qaataha 128 sirta

COFDM-912T Runtii tijaabi jawiga magaalada oo adag, gudbiyaha baabuurka, qaataha ee dhismaha

Fiidiyowga Wireless-ka ee jaban iyo shaashadda yar ee qaataha ayaa caawinaad weyn u leh qufulka xoogga signalada

Gudbiyaha Fiidiyowga Wireless-ka ee OFDM ee kamaradaha IP-ga ee Shabakadda Gudbinta Raadka Dheer ee Fudud

Distance Gudbinta

Nidaamka Xakamaynta Duulimaadka

Gudbinta Fiidiyowga

Habka Gudbinta Wireless-ka

Caqabad iyo Aragti

Sirin oo fur

Gudbinta gudbinta

Su'aalaha la isweydiiyo ee ku saabsan Gudbiyaha Fiidiyowga Wireless-ka iyo qaataha

Gudbiyayaashayada fiidyowyada bilaa-waayirka ah waxay leeyihiin noocyadan is-dhexgalka fiidyaha: HDMI 1080P iyo 4K HDMI, CVBS ka kooban, SDI, AHD, IP Ethernet, BNC, ama noo sheeg nooca aad u baahan tahay, Injineerkeena ayaa wax ka beddeli doona si uu u daboolo baahidaada.

Fogaanshayada gudbinta waxaa lagu hagaajin karaa iyadoo lagu darayo cod-weyneyaal koronto. Waqtigan xaadirka ah, kuwa ugu waaweyn waa 15km, 30km, 50km, 80km, 100km , iyo 150km, taas oo ku xidhan baahida macaamiisha.

Dabcan, fogaanta gudbinta ee kor ku xusan dhamaantood waa gudaha LOS baaxadda khadka-aragga. Haddii ay jiraan caqabado u dhexeeya gudbiyaha iyo qaataha, NLOS (aan khadka-aragga ahayn), Fogaanta gudbinta ayaa si weyn loo dhimay, kaliya 1km ama 2km, iyadoo ku xiran tirada caqabadaha dhexdhexaadka ah iyo deegaanka wireless-ka ee deegaanka.

Hal wado macneheedu waa, Waxa kaliya oo aan u gudbin karnaa oo ka soo dejisan karnaa fiidyaha ama xogta gudbiyaha fiidyaha bilaa-waayirka ah ee qaataha hal dhinac, mana soo galin karno muuqaal ama xog ka soo qaadaha gudbiyaha. Noocaan waxaa sidoo kale loo yaqaannaa simplex.

Laba-dhinac taas macnaheedu waa, Kaliya maahan inaan ka soo dejisan karno muuqaal ama xogta gudbiyaha wireless-ka ee qaataha, laakiin sidoo kale waxaan ku dhejin karnaa fiidiyoowga ama xogta ka soo qaadaha ilaa gudbiyaha. Tani waxay aad ugu habboon tahay ka shaqaynta diyaaradaha aan duuliyaha lahayn. Ma arki kartid oo kaliya fiidiyoowga waqtiga-dhabta ah ee laga soo gudbiyay diyaaradda aan duuliyaha lahayn, Laakin sidoo kale soo rar amarka si loo xakameeyo diyaarada ama amarka lagu xakameynayo kamarada PTZ si loo hagaajiyo xagasha gudbiyaha. Tani waxay shaqayn kartaa isku mar. Noocaan sidoo kale waxaa loo magacaabay nus-dulpex ama laba-duplex.

Fadlan faahfaahinta ka hubi linkiga hoose. https://ivcan.com/request-a-quote-of-wireless-video-transmission/#simplex

Badi gudbiyaasha fiidyowga Wireless-ka ayaa hadda taageera AES128 ama AES256 xoogaa sireed iyo decryption, iyadoo ku xiran nooca aad doorato. Fadlan nala soo xidhiidh si aad u xaqiijiso.

Soo noqnoqoshada fiidiyooga fidiyowga bilaa-waayirka ah iyo qaataha fiidiyaha wireless-ka labadaba waa la bedeli karaa. Isticmaalayaashu waxay u baahan yihiin inay iibsadaan looxyada qaabeynta cabbirka dheeraadka ah.

Si kastaba ha ahaatee, iyada oo la tixgelinayo in cod-weyneeye koronto oo u dhigma iyo anteeno ay horeba ugu go'een meel cayiman marka alaabta la diro. Haddii isticmaaluhu uu hagaajiyo inta jeer ee gudbiyaha, u dhiganta awood kordhiyo, anteenada gudbiyaha iyo anteenada qaataha waa in sidoo kale wax laga beddelo isla inta jeer ee isku mid ah, isticmaalayaashan waxay u baahan yihiin inay diyaar garoobaan. Haddii kale, waxay keeni doontaa inta jeer ee gudbiyaha fiidiyoowgu in uu ka duwan yahay inta jeer ee anteenada, soo dhaweynta ka dhigaysa mid adag. Markaa fadlan hubi inaad wargeliso inta jeer ee saxda ah ee aad u baahan tahay ka hor intaadan dalban.

Haddii ay tahay ammaan ama sir, waad awoodaa isticmaal sirta iyo furista hawlaha gudbiyaha iyo qaataha, kaas oo hubin kara in gudbinta fiidyowgaagu ay tahay mid gaar ah. .

Haa, dhammaan alaabtayada xuduudaha waa la beddeli karaa iyadoo loo eegayo baahida macaamiisha. Haddii aad hayso codsi gaar ah, fadlan nagu soo ogeysii xiriirka hoose.

https://ivcan.com/request-a-quote-of-wireless-video-transmission/

  1. Beddel meesha qaataha si looga fogaado faragelin maxalli ah oo ka iman karta bay'adaha magnetic xooggan.
  2. Hubi in anteenooyinku shidaan gudbiyaha iyo qaataha labaduba waa toosan.
  3. Fadlan kor u qaad anteenooyinka gudbiyaha iyo qaataha joogtayso kala duwanaansho dherer gaar ah.
  4. Fadlan hareeraha eeg si aad taas u hubiso ma jiraan wax caqabado ah oo u dhexeeya gudbiyaha iyo qaataha.
  5. Beddel jihaynta anteenada qaataha.
  6. Hadii ay shaqayn waydo, isku day u wareejinta dawada si uu ugu dhawaado booska gudbiyaha si loo eego haddii ay dhaaftay fogaanta gudbinta wirelesska ee waxtarka leh.
  7. Ama ka fiirso ku darida gudbinta gudbinta u dhexeeya gudbiyaha iyo qaataha.
  8. Anteenadu waa inay ahaataa mid dhulka ka fog sida ugu macquulsan, maadaama dhulku nuugi doono ishaarada la kala qaado.
Waan awoodnaa, Dabcan, sahayda wireless gudbiye video modules iyo amplifiers awood.
Tijaabada muunada koowaad, Waxaan kugula talinayaa inaad iibsato dhammaan alaabta alaabada sababtoo ah injineeradayadu waxay hagaajiyeen xuduudaha si loo gaaro waxqabadka ugu fiican.
Kadib markaad dhamaystirto xaqiijinta imtixaanka, waxaad ka saari kartaa kiska ama weelka kulaylka, ku rakib qalabkaaga, oo si joogto ah u hagaajiso xuduudaha si loo gaaro waxqabadka ugu fiican. Mustaqbalka, Waxaad awoodi doontaa inaad iibsato kaliya modules ama accessories aad u baahan tahay.

Dabcan, Waxaan sidoo kale fahamsanahay in gudbinta fiidiyoowga ee wireless-ka ah iyo kuwa qaata ay aad qaali u yihiin. Waxaad ka fog tahay warshadda Shiinaha. oo aad rajaynayso in alaabta aad hesho ay ku habboon yihiin waxqabadka ugu fiican.

Haddii aad si gaar ah u fiirsato halbeeg ama shaqo gaar ah, Waxaan qaadi karnaa xoogaa fiidiyowyo tijaabo ah oo ku saleysan astaamaha aad rabto inaad aragto, fadlan xor u noqo inaad nala soo xidhiidho. Si toos ah laguuguma soo rari doono ogolaanshahaaga la'aanteed.

Si loo tijaabiyo daahitaanka fiidiyoowga bilaa-waayirka ah ee gudbiyaha iyo qaataha, waxaan u baahanahay inaan samayno laba imtixaan.

Marka hore waa in la tijaabiyo daahitaanka kamaradda ilaa bandhigga.

Midda labaad waa kamaradda, oo lagu daray bandhigga oo lagu daray gudbiyaha sawirka wireless-ka ah iyo daahitaanka soo-dhowrka.

Kala goynta labada natiijadood ee imtixaanku waa daahitaanka dhabta ah ee gudbiyaha fiidyaha bilaa-waayirka ah iyo qaataha.

Sida xirfadle fog fog HDMI fiidiyooga wireless iyo alaab-qeybiyaha iyo soo saaraha ee Shiinaha Shenzhen, waxaan soo saareynaa gudbiyaha fiidiyoowyada wireless-ka ugu wanaagsan sanado badan, waxaana helnay sumcad wanaagsan iyo dib u eegis wanaagsan.

Qaar ka mid ah noocyada caanka ah ee gudbinta fiidiyoowga wireless, sida Blackmagic, Holyland mars 300 400s, Accsoon cine eye 5g, RavenEye, Zhiyun, Inkee benbox, actiontec, CVW SWIFT 800, dahuu, iogear, Artek pat-225k, microlite, liqid, teradec.

Miisaanka ugu fiican ee fiidiyaha fiidiyaha ah ee fiidiyaha ah ee fiidiyaha ah iyo qaataha ayaa leh codsiyo badan, loogu talagalay 4K tv, Kaamirada amniga ee CCTV, kamarad gurmad gaadhi, Xirmada kamaradaha fiidiyoowga ah ee PTZ, batari ku shaqeeya, kombuyuutar, sawir qaade Sony, nidaamka shirarka fiidiyaha wifi, CANON DSLR, Diyaaradaha aan duuliyaha lahayn ee UAV, kombayutarka kombayutarka, projector, in-gaari, iPhone iPad, daawashada tooska ah, GoPro kamarada ciyaaraha, raspberry pi, Xbox.

Muuqaalka HD oo buuxa, audio, isku xirka xogta ugu yar 1080P gudbiyaha fiidiyaha bilaa-waayirka ah iyo qaataha waxa uu leeyahay xirayaal badan oo wax gelin ah iyo wax soo saar, sida CVBS-ga ka kooban AV, HDMI, SDI, BNC, VGA, USB.

Soo-diraha fiidiyoowga wireless-ka ee TX RX soo noqnoqda wuxuu leeyahay 170-806Mhz, 1.2ghz, 2.4G, 5.8G, ugu hooseeya laakiin aan latency eber ahayn. Si loo taageero masaafada dheer, Cod-weyneyuhu wuxuu leeyahay 10w, 20watts, iyo xataa 30W.

Waa maxay iibsashada ugu wanaagsan ee FHD-ga fiidiyaha bilaa-waayirka ah qiimo jaban? Waa inay tixgelisaa shuruudahaaga faahfaahinta, si habboon u dooro, aan qaali ahayn, haddii aad shaki ka qabto, fadlan buuxi codso xigasho qaab, injineerkeena ayaa ku siin doona xal.

Cod-weyneeye 2W ugu dambeeyay 27 KM-qaade fiidiyoow fidiyow wireless-ka fog-fog ah oo ku nool isku-xirka xogta sawirka demo ee gudbinta gudaha 2022

Si aan macaamiisheena ugu muujino masaafada dhabta ah ee taageerada oo aan u isticmaalno saameynta 2W PA 30km gudbinta sawirka fogaanta fog ee gudbiyaha iyo qaataha., waxaanu samaynay tijaabo dhab ah dhawaan waxaanu helnay Meisha Peak, laga bilaabo halkan ilaa xeebta Na'ao, Masaafada ayaa ah 27 kiiloomitir. Tani [...]

Akhri wax dheeraad ah
Soo-gaadhe cusub oo fiidiyoow wireless ah oo cusub iyo soo-qaade loogu talagalay kamarada aan duuliyaha lahayn 110km 10W PA xogta fiidiyaha wireless-ka isku xirka maqalka tijaabada dhabta ah

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