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DDLmesh Series of Wireless Digital Data Link-Airborne Series

The new DDLmesh series wireless digital data link is a low-cost long-distance video&data transmission product with small size, light weight, 2×2 MIMO, complete functions and abundant frequency bands. DDLmesh series based on SDR software defined radio platform with 2×2 MIMO, it adopts Beamforming, Maximal Ratio Combining(MRC), Maximal Likelihood(ML) algorithm, low density parity check(LDPC) coding, intelligent frequency selection and autonomous frequency hopping technology to achieve strong radio frequency performance and strong anti-jamming.
  • DDL-AB

  • WDS

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DDLmesh series data link radio provides ultra-long distance, low latency, bidirectional multi-channel network video&data&voice integrated wireless transmission. The world's leading code-modulated physical layer waveform technology and flexible anti-jamming and secure encryption design for the unmanned field are applied to reliable remote data links for UAVs, helicopters, robots, unmanned ships, unmanned vehicles and special vehicles.

The application system is mainly composed of the airborne radio with the airborne camera, and the ground radio with the ground computer, as well as the necessary accessories(including power supply, antenna feed system, connection lines and connectors, etc.).

The system can simultaneously transmit three IP/HDMI/SDI/CVBS HD video and multiple two-way transparent data(such as flight control/pod, BD/GPS, voice, etc.). AES encryption ensures transmission security.

Radio the transmission power of the station can reach up to 40W, providing a stable and reliable communication link.



Product Advantage

1. 400M/600M/800M/900M/1.4G/2.3G/2.4G/5.8GHz, transmitting power can be change, support NLOS high speed mobile transmission, open transmission distance of more than 50 km。

2. 70Mbps data stream, adaptive dynamic bit allocation technique. Support one way 4K, multi way 1080P or 720P HD video.

3. 3 serial port and 2 video interface running at the same time, flight controller, voice, GPS and other data can transmit with video.

4. Support PtoP, PtoMP, MPtoMP technique,centerless of no-master/slave.Support VLAN.

5. Local diagnostic interface, telnet, network management. Local and remote wireless firmware update through FTP.

6. Low power consumption. Tiny volume, lightweight structure, body building for UAV.


Technical Parameters

General

SDR Platform, Waveform

9363 or 9361+7Z020, Mobile Network MANET

MIMO Technology

Space-time coding、Receive Diversity、TX /RX beamforming、Spatial multiplexing

Receive Sensitivity

-103dBm@5MHz BW, -117dBm@250KHz

Channel Bandwidth

1.25/2.5/5/10/20MHz Broadband, 250k/500k/1MHz Narrowband Setting

Data Rate

1-70Mbps(20MHz BW) Broadband, 50-1000kbps narrowband Adaptive, QoS

Modulation Mode

TD-COFDM, BPSK/QPSK/16QAM/64QAM Adaptive(Fixed setting optional)

RF Output Power

(Support TPC, transmission power control, 1dBm adjustable)

0.25Watts×2; 0.5Watts×2;

1Watts×2; 2Watts×2;

4Watts×2; 5Watts×2;

10Watts×2; 20Watts×2;

30Watts×2; 40Watts×2

Mode

Decentralized P2P, P2MP and MP2MP communications with cross-connection, supporting small-scale (within 8 nodes) MESH networking with dynamic routing and multi-hop relay

Single Hop Delay

Average 6ms (Unidirectional, 20MHz BW)

Encryption

DES, AES128/256 (SM4/SNOW3G/ZUC optional, Chip/TF card encryption customized or external encryption machine)

Anti-Jamming Mode

Manual spectrum scanning channel selection/Full band enhanced intelligent frequency selecting(spectrum awareness)/Full band adaptive frequency hopping FHSS/Roaming mode, Multi-level anti-interference

Local/Remote Management

Operating frequency, channel bandwidth, network ID, transmit power and other parameter settings, spectrum scanning, real-time display and statistical records of network topology, link field strength signal-to-noise ratio, upload and download traffic, node distance, BD/GPS(GNSS) positioning electronic map, temperature/voltage/jamming Monitoring, software upgrade (remote silence and wake-up optional)

Others

The boot time is less than 28 seconds, and the network access/update/switching time is less than 1 second;

The network size is less than 8 nodes, and the total bandwidth loss over three hops is less than 70%;

Automatic carrier tracking, adapting to Doppler frequency shift of ±6kHz frequency deviation, supporting mobile communications at speeds above 7200kilometers per hour (Mach 6, 2000 meters per second)

Bands (70M-6GHz customizable. Same frequency or different frequency of 2T2R at single band, or 1T2R at dual-band selectable/smart change)

BAND

Frequency range

BAND

Frequency range

VHF/UHF (MHz)

360-450/450-550/570-700/800-950, 225-400/225-678/320-470*

S Band (GHz)

2.0-2.2/2.2-2.4/2.3-2.5/2.5-2.7/2.7-2.9/

3.2-3.4/3.4-3.6/3.6-3.8, 1.9-2.7/2.0-2.7/

2.1-2.7/2.7-3.6*

L Band (GHz)

1.0-1.2/1.1-1.3/1.3-1.5/1.5-1.7/1.6-1.8, 1.0-1.5/1.1-1.6/1.2-1.7/1.3-1.8/1.6-2.3/

1.7-2.4/1.8-2.5*

C Band (GHz)

4.4-5.0/5.25-5.85, 4.2-5.2/5.5-6.0/6.4-7.2*


(Note: RF power, Dimensions, Weight is different)

MIIT (MHz)

336-344/512-592/566-626/606-678/1420-1520/1430-1444

Environmental

Operation Temperature

-40℃ ~+80℃

Protection Level

IP66 (IP67/IP68 Customized)

Mechanical

Size/Weight

5.1x3.0x0.7cm/14g, 0.25Watts×2-Iron Gray

6.0x4.8x1.1cm/46g, 0.5Watts×2-Iron Gray

6.0x5.8x1.3cm/60g, 0.5Watts×2-Iron Gray

9.6x5.8x1.9cm/120g, 1Watts×2-Iron Gray

11.7x6.2x2.0cm/160g, 1Watts×2/2Watts×2-Iron Gray

11.7x6.2x3.8cm/349g, 1Watts×2/2Watts×2-Black

11.7x6.2x4.2cm/360g, 1Watts×2/2Watts×2-Multi-interface Black

13.8x6.2x2.7cm/225g, 4Watts×2-Iron Gray

13.8x6.2x3.1cm/271g, 5Watts×2-Fan Iron Gray

13.4x12.8x3.8cm/598g, 10Watts×2/20Watts×2-Iron Gray

14.2x13.7x5.7cm/1.08kg, 10Watts×2/20Watts×2-Black

14.2x14.0x6.0cm/1.11kg, 30Watts×2/40Watts×2-Dark Gray

23.0x14.8x3.5cm/1.25kg, 30Watts×2/40Watts×2-Thin Iron Gray

Color Black, Iron Gray (Army Green Optional)

Installation

Mounting Holes, Backpack

Power

Supply Voltage

3.5-5V DC, 0.25Watts×2

9-39V DC, 0.5Watts×2/1Watts×2

12-36V DC, 2Watts×2/4Watts×2/5Watts×2

18-32V DC, 10Watts×2/20Watts×2

28-32V DC, 30Watts×2/40Watts×2

Power consumption

Operation 1-2A/Standby 0.5-1A@3.5-5V, 0.25Watts×2

Operation 0.3-0.5A/Standby 0.2-0.3A@12V, 0.5Watts×2

Operation 1-2A/Standby 0.5-0.7A@12V, 1Watts×2/2Watts×2

Operation 2-4A/Standby 0.5-0.7A@12V, 4Watts×2/5Watts×2

Operation 3-6A/Standby 0.7-0.9A@18V, 10Watts×2

Operation 6-10A/Standby 0.7-0.9A@20V, 20Watts×2

Operation 22A/Standby 0.4-1.6A@28-32V, 30Watts×2/40Watts×2

Power Selection

Power Supply by Main Cable

Interface

Basic interface

2xIPEX/2xMMCX/2xSMP/2xSMA RF, 1-2xRJ45 Ethernet 100/1000BaseT, RS232, DC input. TTL (UART), SBUS, and Bluetooth 1.2-230.4Kbps, Wi-Fi access point, and BD/GPS(GNSS) are available. Supports transparent transmission over Ethernet and serial ports, and all communication protocols, including MAVLink. Selectable service priority

Network Extension Optional Public Network Routing/4G LTE, WB-NB integration, Fiber, Satellite

Video Extension Optional

Low Delay HDMI/SDI/CVBS, 4K/2K/1080P/720P/D1

Power Indicator Steady green - Powered on
Link Status Indicator

Steady red - The network is not connected

Blinking red - Starting/not connected to the network

Steady green - The network is connected

RSSI Link Indicator

Steady green - The link quality is excellent

Steady blue - The link quality is good

Steady yellow - The link quality is medium

Steady purple - The link quality is slightly worse

Steady red - The link quality is poor

Off - The link is interrupted

Management Interface/

Control Interface

Web-based network management/GUI, API for secondary development interface/SNMP

Airbrone

Airborne 选配件




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