The 150km Data Link system for UAV

Technical Manual

1  Data Link system

Data link system uses a radio-frequency (RF) transmission to transmit and receive data ,as it provides a two-way communication between the ground station and the UAV. A good datalink include uplink and downlink.

The uplink that is operated with a bandwidth of a low data rate(150Kbps) and secures sending command data to control the UAV flight path and to communicate with the payload.

The downlink that is also with a bandwidth of a low data rate(150Kbps) and send telemetry data to the ground station.

2  Overview

The ZWTR-1100 UAV data link system is a high performance, industrial grade, long-range radio solution that ensures reliable wireless data communications over long distances.

The data link system use spread spectrum (CSS) modulation to provide better receiver sensitivity, multipath performance, and interference rejection. The system supports networking communication including point-to-point, point-to-multipoint and relay. The default operational frequency is 900MHz.The communication range is no less than 150km.

3  Composition

The data link system comprises airborne terminal and ground terminal, with the airborne terminal also functioning as a relay. UAV can communicate with the ground terminal via the relay connection.

The ground terminal connects to the ground control equipment via an asynchronous serial port, transmitting remote control commands to the airborne terminal while receiving and outputting flight control data from the airborne terminal.

The airborne terminal connects to the flight control unit via an asynchronous serial port, sending flight control data to the ground terminal and receiving remote control commands from the ground control equipment to pass to the flight control unit.

A diagram illustrating the airborne terminal and ground terminals is as follows:

Airborne terminal diagram:

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Ground terminal  diagram:

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4  Features:

1.     Supports point-to-point, point-to-multipoint,relay .

2.     Compact size and low power consumption

3.     Low latency with communication delays of less than 30ms.

4.     Utilization of spread spectrum modulation technology, significantly enhancing anti-jamming and multi-path resistance

5.     AES256 encryption

6.     Two serial ports.


1.     Frequency: 902MHz to 928MHz

2.     Encryption: AES256

3.     Data Rate: Supports a maximum of 1.2Mbps, but for UAV applications, 150kbps is recommended.

4.     Latency: 30ms

5.     Communication Distance: 150km

6  Airborne Terminal Performance:

1.     Transmit Power: 2W

2.     Operating Voltage: DC 18~36V

3.     Power Consumption: 20W

4.     Dimensions: , excluding connectors

5.     Weight:  kg

6.     Operating Temperature: -40 to +75

7.     Storage Temperature: -45 to +85

8.     External Interfaces:

Ø  One Power Port,connecting to the power source on board;

Ø  Two Asynchronous Serial Ports,connecting to payload on board, with one port supporting RS232 levels and one port supporting RS422 levels;

Ø  One Antenna Interface

7  Ground Terminal Performance:

1.     Transmit Power: 2W

2.     Operating Voltage: DC18~36V

3.     Power Consumption: 60W

4.     Dimensions:  (excluding connectors)

5.     Weight:  kg

6.     Operating Temperature: -40 to +75

7.     Storage Temperature: -45 to +85

8.     External Interfaces:

Ø  One Power Interface, connecting to the ground power source;

Ø  One Power Switch.

Ø  Two Asynchronous Serial Ports, one supporting RS232 levels and another supporting RS422 levels;

Ø   One RF Interfaces, connecting to antenna.


8  Product photo

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9  Product packages

The list of packages for the delivered products is given below:

Serial No






Airborne video and data link terminal





Ground video and data link terminal





RF Cables





Power/Data Cables





Packaging Box





10    Technical support

Contacts:Jack Chen

Tel: +86 18611315108

WhatsApp: +447398817219


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