Mainlink MK22 Manuale utente

MK22/MK55

Long-range Wireless Transmission System

User's Manual V1.0 2022.10

Introduction / Installation Guide / Instruction

Version：V1.0（2022.10）

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 . Otherwise, 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 equipment 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, sand, etc.) can be entered inside the device.

Version：V1.0（2022.10）

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.

Get instructional video

In order to use the system correctly, you can get the instructional

Video at the following address:

https://mainlinkaero.com/cn/video/video-main.html

Download Maestro Assistant

Download the software at the following address：

https://mainlinkaero.com/cn/download/download-main.html

Version：V1.0（2022.10）

CONTENTS

Disclaimer................................................................................................................................ 2

Caution..................................................................................................................................... 2

Attention to installation..............................................................................................2

Before use.......................................................................................................................2

Get instructional video ................................................................................................3

Download Maestro Assistant.................................................................................. 3

Packing list ...............................................................................................................................6

Overview.................................................................................................................................. 8

Features.................................................................................................................................... 9

MK22 Interface Description..............................................................................................10

Installation............................................................................................................................. 14

Air .................................................................................................................................... 14

Ground .............................................................................................................................14

1.Connect the antenna ....................................................................................... 15

2. Connect to the Ground Station................................................................ 15

MK22 Instruction ...................................................................................................................... 16

Quick start .................................................................................................................... 16

MK22 with CODEC module MF05 ..........................................................................18

.........................................................................................................................................19

MK22 with Mission Planner .....................................................................................19

Improve RC controller distance through SBUS..................................................23

Maestro Assistant................................................................................................................ 25

Interface of Maestro Assistant................................................................................25

How to use Maestro Assistant................................................................................26

1. Connect MK22 with Maestro Assistant. .......................................................26

2. Read current parameter。.............................................................................27

3. Configurations...............................................................................................27

MK22 Web UI Configuration Description..................................................................... 30

Version：V1.0（2022.10）

Login.............................................................................................................................. 31

Setting........................................................................................................................... 32

System update............................................................................................................ 38

Wireless pair................................................................................................................ 39

Language...................................................................................................................... 40

Advanced User Display ............................................................................................. 40

Specification ......................................................................................................................... 44

FAQ.......................................................................................................................................... 46

Version：V1.0（2022.10）

Packing list

Device

Ground Air

Accessories

2Pin XT30 cable

×1

2Pin cable

×1

For Power

For pairing and reset

3Pin cable

×5

4Pin cable

×2

For UART and SBUS

For Ethernet

Short Antenna

×2

Fiber-glass antenna

×1

Version：V1.0（2022.10）

For air unit

For ground unit

Long Antenna

×2

RF feeder

×2

For air unit

For air unit to UVA

19Pin cable

×1

For Ethernet and Power_Out

Version：V1.0（2022.10）

Overview

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。

Version：V1.0（2022.10）

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 Frequency Band

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

-Hopping: automatic 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

Version：V1.0（2022.10）

MK22 Interface Description

Air unit with side view

1. Ethernet

Number

Character

Description

Input/Output

T+

TX+

T-

TX-

R+

RX+

R-

RX-

2. UART1

Number

Character

Description

Input/Output

GND

I/O

RS232 RX

RS232 TX

3. UART2

Number

Character

Description

Input/Output

GND

TTL RX

TTL TX

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