User manual for wireless video transmitter HD

Disclaimer

• Please read the user’s manual carefully before use. Be sure to pay attention to the warnings and understand all points completely.
• Please strictly abide by the local radio frequency management regulations.
• Please follow the installation steps in the manual to use this product. Our company and agent will not take legal responsibility for the damage of equipment or personnel caused by the installation and modification of users.
• This copyright of this manual belongs to Great Mainlink Tech Co., LTD. No one may make copies without written consent.

Foarsichtigens                

Attention to installation

1. Before power on, make sure the antenna connection is reliably . Oars, it will cause damage to the device.

2. Make sure that the voltage is within the range of use.

3. Please pay attention to the EMC of all the electronic equipments on your drone.

4. It is recommended that the antenna should be installed downward and keep the antenna away from the metal on the drone.

5. Make sure to use the matching antenna.

Before use                                      

1. Make sure that all cables are connected correctly and firmly.

2. No foreign objects (e.g. liquids, sân, ensfh) can be entered inside the device.

3. It takes 15 seconds for the device to start. Video and data cannot be transferred until the device has finished booting.

4. Please ensure that the environment in which the equipment is used is free of other electromagnetic interference.

5. When the signal weakens, you can improve the effect by changing the heading direction of the antenna.

Packing list

Device X 2

Oersicht

Industry drone market is developing very fast in recent years. The fight time and distance of drones are getting longer and longer. MK22/MK55, a long-range wireless transmission system, is designed for VTOL fixed wing and other long-range drones. The system can transmit video, fight control data, gegevens fan gimbal kontrôle, and RC data simultaneously. With the advantage of high level intergration and powerful function, MK22/MK55 is a typical good product to meet long-range transmission requirements.

There are two frequency bands——800MHz、1.4GHz and 2.4GHz. Users can choose according to their needs. Please choose the suitable frequency band according to local regulations.

MK22 can transmit data and video to 22km, MK55 can transmit data and video to 55km, making it very suitable for long range drone.

If you use our recommend ground station, you only need one cable with connector to connect the device and your ground station.

^*1Test under LOS and no interference conditions。

Features

Long distance Modulation

-MK22 Up to 22km @ LOS– OFDM

-MK55 Up to 55km @ LOS

Video interface Data interface

– Ethernet *1 – UART（TTL/RS232）/SBUS，

Hopping/Fixed Frequency frekwinsje Band

-Fêst: user defined – 800MHz/1.4GHz/2.4GHz

-Hopping:  automatysk Wurkmodus

BW – Air unit can be ：Point to point mode

-5/10/20 MHz Repeater mode

Work temperature Power range

– 40℃ ~ + 70 ℃ – DC 9~28V Battery 3S~6S

M52 Interface Description

Air ienheid

side view

Ethernet

Nûmer	Character	Beskriuwing	Input/Output
1	T+	TX+	de
2	T-	TX-	de
3	R+	RX+	ik
4	R-	RX-	ik

2. UART1

Nûmer	Character	Beskriuwing	Input/Output
1	G	Page	opsjoneel ôfstân grade
2	R	RS232 RX	ik
3	T	RS232 TX	de

3. UART2

Nûmer	Character	Beskriuwing	Input/Output
1	G	Page	de
2	R	TTL RX	ik
3	T	TTL TX	de

4. Krêft

Nûmer	Character	Beskriuwing	Input/Output
1	G	Page	opsjoneel ôfstân grade
2	V	+Vcc（9v~28v）	ik

5. SBUS1

Nûmer	Character	Beskriuwing	Input/Output
1	S	SBUS OUT	de
2	V	+5v（I max 1A）	de
3	G	Page	opsjoneel ôfstân grade

6. SBUS2

Nûmer	Character	Beskriuwing	Input/Output
1	S	SBUS OUT	de
2	V	+5v（I max 1A）	de
3	G	Page	opsjoneel ôfstân grade

7. Power indicator

This indicator is solid green when air unit is booting.

8. Link indicator

LED Pattern Description

solid green Wireless link is established

light off Wireless link is lost

9. Status Indicator

LED Pattern（Blink only in booting） Description

Blink 2 times Initialization OK, Frequency is 1.4GBlink 1 time Initialization OK, Frequency is 800M

Blink 3 times Switch mode (Swith from air to ground, vice verse)

Blink slow all the time Enter configuration mode

Blink fast all the time Device abnormal

10. SMA antenna connector.

1. Fiber glass antenna.
2. OLED display.
3. Batterij
4. ferbiner.

Nûmer	Beskriuwing	Input/Output
1	Rx+	ik
2	Rx-	ik
3	Tx+	de
4	Tx-	de
5	UART1 TX (RS232)	de
6	UART1 RX (RS232)	ik
7	UART2 TX (RS232)	de
8	UART2 RX (RS232)	ik
9	NC
10	RC1_IN	ik
11	RC2_IN	ik
12	+5v	de
13	Page	opsjoneel ôfstân grade
14	Page	opsjoneel ôfstân grade
15	Page	opsjoneel ôfstân grade
16	Page	opsjoneel ôfstân grade
17	Page	opsjoneel ôfstân grade
18	Page	opsjoneel ôfstân grade
19	Vcc (9v~28v)	ik
20	Vcc (9v~28v)	ik

spesifikaasje

Kategory	Ûnderdiel	Detail
wirelessOptreden	Frekwinsje band	800MHz/1.4GHz
	Frekwinsjeberik	800MHz：806MHz～825MHz1.4GHz：1427MHz～1447MHz2.4GHz:  2400~2480MHz
	Band width	5MHz/10MHz/20MHz
	Modulation	OFDM
	EIRP	MK22: 30dBm±1dBMK55: 33DBM ± 1dB
	Gefoelichheid	≤-95dBm
	Berik	MK22: 22kmMK55:55km*1
	Bitrate	30Mbps @ 20MHz
Power Range	DC 9 ~ 28V
Enerzjyferbrûk	≤8.5W
ynterface	Antenne	High School *2
	Krêft	XT30
	UART	TTL 3.3V，1 Start bit, 8 data bit, 1 stop bit, gjin parity., Baud rate 115200 (standert)，57600, 38400, 19200, 9600
		UART1 en UART2
	SBUS	SBUS_IN
		SBUS_OUT
	Ethernet	4 pin
	Knop	1
	Omskeakelje	Foar loft- en grûnskakelaar
Antenne	ynterface	High School
	Type	Loft：Glue stick antenna 20cmGround：Fiber glass antenna, penal antenna
	polarisaasje type	Fertikaal
	Winst	Loft：2.5dBiGround：12dBi
	SWR	≤2.0
Miljeu	Work temperature	-40℃ ~ + 70 ℃
	Storage temperatuer	-40℃ ~ + 85 ℃
	Humidity	5~ 95%，net-kondinsearjend
Ferskining	Grutte	112 X 63.5 X 19 mm
	gewicht	143g