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.

Caution                

Attention to installation

1. Before power on, make sure the antenna connection is reliably . Юғиһә, 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 (е. г.. liquids, sand, һ. б.) 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

Күҙәтеү

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, gimbal control data, 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。

Үҙенсәлектәре

Long distance Modulation

-MK22 Up to 22km @ LOS– ОЧУ

-MK55 Up to 55km @ LOS

Video interface Data interface

– Ethernet *1 – UART（TTL/RS232）/SBUS，

Hopping/Fixed Frequency Frequency Band

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

-Hopping:  автоматик Working mode

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 unit

side view

Ethernet

Number	Character	Тасуирлама	Input/Output
1	T+	TX+	Тураһында
2	Т.-	Техас-	Тураһында
3	R+	RX+	Мин
4	R-	ГХ-	Мин

2. UART1

Number	Character	Тасуирлама	Input/Output
1	Г.	Ер	I/O
2	R	RS232 RX	Мин
3	Т.	RS232 TX	Тураһында

3. UART2

Number	Character	Тасуирлама	Input/Output
1	Г.	Ер	Тураһында
2	R	TTL RX	Мин
3	Т.	TTL TX	Тураһында

4. Ҡеүәт

Number	Character	Тасуирлама	Input/Output
1	Г.	Ер	I/O
2	.	+Vcc（9v~28v）	Мин

5. SBUS1

Number	Character	Тасуирлама	Input/Output
1	Менән	SBUS OUT	Тураһында
2	.	+5v（I max 1A）	Тураһында
3	Г.	Ер	I/O

6. SBUS2

Number	Character	Тасуирлама	Input/Output
1	Менән	SBUS OUT	Тураһында
2	.	+5v（I max 1A）	Тураһында
3	Г.	Ер	I/O

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. Аккумулятор
4. Джек.

Number	Тасуирлама	Input/Output
1	Rx+	Мин
2	Rx-	Мин
3	Tx+	Тураһында
4	Tx-	Тураһында
5	UART1 TX (RS232)	Тураһында
6	UART1 RX (RS232)	Мин
7	UART2 TX (RS232)	Тураһында
8	UART2 RX (RS232)	Мин
9	НЗ
10	RC1_IN	Мин
11	RC2_IN	Мин
12	+5v	Тураһында
13	Ер	I/O
14	Ер	I/O
15	Ер	I/O
16	Ер	I/O
17	Ер	I/O
18	Ер	I/O
19	ВКК (9v~28v)	Мин
20	ВКК (9v~28v)	Мин

Спецификация

Категория	Item	Detail
СымPerformance	Frequency band	800MHz/1.4GHz
	Диапазонлы частоталы	800МГц：806MHz～825MHz1.4GHz：1427MHz～1447MHz2.4GHz:  2400~2480MHz
	Band width	5MHz/10MHz/20MHz
	Модуляция	ОЧУ
	EIRP	MK22: 30dBm±1dBMK55: 33dBm±1dB
	Sensitivity	≤-95dBm
	Диапазонлы	MK22: 22кмMK55:55км*1
	Bit rate	30Mbps@20MHz
Power Range	DC 9~28V
Потребляемая ҡеүәт	≤8.5W
Интерфейсы	Антенна	СМА *2
	Ҡеүәт	XT30
	УАПП	TTL 3.3V，1 start bit, 8 data bit, 1 stop bit, no parity., Baud rate 115200（default），57600, 38400, 19200, 9600
		UART1 and UART2
	SBUS	SBUS_IN
		SBUS_OUT
	Ethernet	4 Пин-код
	Button	1
	Switch	For air and ground switch
Антенна	Интерфейсы	СМА
	Тибындағы	Air：Glue stick antenna 20cmGround：Fiber glass antenna, penal antenna
	Polarization type	Вертикаль
	Ала	Air：2.5dBiGround：12дби
	КСВ	≤2.0
Environment	Work temperature	-40℃～+70℃
	Һаҡлау температураһы	-40℃～+85℃
	Humidity	5~95%，non-condensing
Appearance	Күләме	112 Х 63.5 Х 19 мм
	ауырлыҡтар	143г