The new DDL series wireless digital data link is a low-cost long-distance video&data transmission product with small size, light weight, 2X2 MIMO, complete functions and rich frequency bands. DDL series based on SDR software defined radio platform with 2X2 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 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, Beidou /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.
Wireless Digital Data Link Ultra Long Range、Low latency、Low Cost HD Video&Distant Data Transmission Multi-channel Data Link
Description
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, Beidou /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.
performance:
- 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。
- 70Mbps data stream, adaptive dynamic bit allocation technique. Support one way 4K, multi way 1080P or 720P HD video.
- 3 serial port and 2 video interface running at the same time, flight controller, voice, GPS and other data can transmit with video.
- Support PtoP, PtoMP, MPtoMP technique,centerless of no-master/slave.Support VLAN.
- Local diagnostic interface, telnet, network management. Local and remote wireless firmware update through FTP.
- Low power consumption. Tiny volume, lightweight structure, body building for UAV.
Features：
- 70Mbps high-speed, long-distance transmission
- Intelligent frequency selection/autonomousfrequencyhopping anti-jamming
- Point-to-point,Point-to-multipoint,Multipoint-to-multipoint
- Multiple network + Multiple serial
- Compact/harsh environment applications
Specifications
| General | |
| SDR Platform, Waveform | 9363 or 9361+7Z020, Mobile Network MANET |
| MIMO Technology | Space-time coding、Receive Diversity、TX /RX beamforming |
| Receive Sensitivity | -103dBm@5MHz BW |
| Channel Bandwidth | 1.25/2.5/5/10/20MHz setting; Supports transmission and reception with different channel bandwidths, achieving mixed broadband and narrowband |
| Data Rate | 1-70Mbps(20MHz BW) 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 x2 (nano Module/Airborne Radio) 0.5Watts x2 (mini Module/Airborne Radio) 1Watts x2/2Watts x2 (Module/Airborne/Handheld Radio) 4(5)Watts x2 (Module/Airborne/Handheld/Vehicle Radio) 10Watts x2/20Watts x2 (Airborne/Backpack/Vehicle Radio) 40(50)Watts x2 (Airborne/Backpack/Vehicle Radio) |
| Single Hop Communication Distance | 100-300 KM (visible), 1-30 KM (urban area) |
| Mode | Decentralized point-to-point, point-to-multipoint and multipoint-to-multipoint communications with cross-cutting capabilities |
| Single Hop Delay | Average 10mS(20MHz BW) |
| Encryption | DES, AES128/256, 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, GPS/BD/GLONASS positioning electronic map, temperature/voltage/jamming Monitoring, software upgrade. Remote silence and wake-up optional |
| Others | The startup time is less than 28 seconds, and the network access/update/switchover time is less than 1 second There is no limit on the user capacity of a single system (256 nodes or more) and the number of hops in Mesh networks (Data 15+ hops, voice 10+ hops, video 8+ hops). The total bandwidth loss for three hops and above is less than 70%. Automatic carrier tracking, adapted to a Doppler frequency deviation of ±6kHz frequency offset, supports mobile communication at speeds above 7200 kilometers per hour (6 Mach, 2000 meters per second) |
| Bands(300M-6GHz customizable. Same frequency or different frequency of 2T2R at single band, or 1T2R at dual-band selectable/smart change) | |
| BAND | Frequency range |
| VHF/UHF | 360-450/450-550/570-700/800-950, 225-400/225-678/320-470*MHz |
| L Band | 1.0-1.2/1.1-1.3/1.3-1.5/1.5-1.7/1.6-1.8, 1.0-1.5/1.1-1.6/1.2-1.7/1.3-1.8/1.6-2.3/1.7-2.4/1.8-2.2*GHz |
| S Band | 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*GHz |
| C Band | 4.4-5.0/5.25-5.85, 4.2-5.2/5.5-6.0/6.4-7.2*GHz |
| (Note: RF power, Dimensions, Weight is different) | |
| MIIT | 336-344/512-592/566-626/606-678/1420-1520/1430-1444MHz |
| Environmental | |
| Operation Temperature | -40℃ ~+80℃ |
| Protection Level | IP66, IP67/IP68 Customized |
| Mechanical | |
| Size/Weight | 5.1×3.0x0.7cm/14g, 0.25Watts x2 Airborne Radio, DDL-nano 6.2×4.8×1.1cm/46g, 0.5(1)Watts x2 Airborne Radio, DDL-mini 6.0×5.8×1.3cm/60g, 0.5(1)Watts x2 Airborne Radio, DDL-mini 11.7×6.2×1.9cm/149g, 1(2)Watts x2 Airborne Radio-Iron Gray 13.8×6.2×2.7cm/225g, 4(5)Watts x2 Airborne Radio-Iron Gray 12.8×13.4×3.8cm/598g, 10Watts x2/20Watts x2 Airborne Radio-Iron Gray 14.2×14.0x5.0cm/962g, 10Watts x2/20Watts x2 Airborne Radio-Black 19.0×6.8×3.8cm/769g, with 11.1V/77.7Wh battery Handheld 19.1×18.6×6.3cm/2.16kg, 10Watts x2/20Watts x2 Vehicle&Shipboard 25.8×21.3×6.5cm/3.95kg, 40(50)Watts x2 Vehicle&Shipboard 27.5×18.9×6.2cm/4.15kg, with 22.2V/213Wh battery Backpack |
| Installation/Color | 4 Mounting Holes/Black, Iron Gray、Army Green Optional |
| Power | |
| Supply Voltage | 3.5-5VDC, 0.25Watts x2 Module/Airborne, DDL-nano 9-32VDC, 0.5Watts x2 Module/Airborne, DDL-mini 9-39VDC, 1Watts x2 Module/Airborne 12-36VDC, 2Watts x2/4(5)Watts x2 Module/Airborne/Handheld/Vehicle 18-32VDC, 10Watts x2/20Watts x2/40(50)Watts x2 Airborne/Backpack/Vehicle |
| Power consumption | Operation 1-2A/Standby 0.5-1A@3.5-5V, 0.25Watts x2 Module/Airborne, DDL-nano Operation 0.3-0.5A/Standby 0.2-0.3A@12V, 0.5Watts x2 Module/Airborne, DDL-mini Operation 0.5-1A/Standby 0.4-0.6A@12V, 1Watts x2 Module/Airborne Operation 1-2A/Standby 0.5-0.7A@12V, 2/4(5)Watts x2 Module/Airborne/Handheld/Vehicle&Shipboard Operation 3-6A/Standby 0.7-0.9A@16.8V, 10Watts x2 Airborne/Backpack/Vehicle&Shipboard Operation 6-7A/Standby 0.7-0.9A@20V, 20Watts x2/40(50)Watts x2 Airborne/Backpack/Vehicle&Shipboard |
| Power Selection | Power Supply by Twist-Lock Battery or Main Cable |
| Batteries | 8-10/6-8 hours for 114/77.7Wh (Handheld Radio) 10-12/6-8 hours for 427/213Wh (Backpack Radio) polymer lithium battery |
| Interface | |
| Basic interface | 2xTNC RF, 1-3xRJ45 Ethernet 100/1000BaseT, WiFi AP,GPS/BD RS232/TTL(UART), Sbus/Bluetooth, 1.2-230.4Kbps, DC Input |
| Push to talk/Auxiliary interface | MIC, SP, PTT, GND, RS485/422, USB2.0 OTG |
| Network Extension | Public Network Routing/4G LTE, WB-NB integration, Fiber, Satellite |
| Video Extension | Low Delay HDMI/SDI/CVBS, 4K/2K/1080P/720P/D1 |
| Link Status Indicator | Steady red – The network is not connected Blinking red – Starting/not connected to the network Steady green – The network is connected Blinking green – Voice PTT is down |
| 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 or link is down |
| Management Interface/ Control Interface | Web-based network management/GUI, API for secondary development interface/SNMP |
The radio is first packed into a custom box, and then packed into a carton for delivery.
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