Sinosun Tech
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The new DDLmesh series wireless digital data link is a low-cost, long-distance video & data transmission system boasting a compact size, lightweight build, 2×2 MIMO configuration, and versatile frequency band compatibility. Powered by a cutting-edge SDR (Software Defined Radio) platform, it integrates advanced beamforming, Maximal Ratio Combining (MRC), Maximum Likelihood (ML) detection, Low-Density Parity-Check (LDPC) coding, smart channel selection, and autonomous frequency hopping. These breakthrough innovations ensure robust RF performance and exceptional anti-jamming capabilities in the field.
Designed for multi-service integration, the DDLmesh series supports ultra-long range, low-latency, and bidirectional multi-channel network transmissions encompassing video, data, and voice. Its class-leading physical layer wave modulation and customizable encryption architecture are highly optimized for unmanned aerial vehicles (UAVs), helicopters, robots, unmanned vessels, ground vehicles, and specialist fleet operations.
A typical operational system includes an airborne transceiver coupled with an onboard camera, a ground station connected to control software, and essential supportive infrastructure such as robust power adapters, advanced feed-antennas, and reliable communication cabling.
The transceiver supports simultaneous delivery of up to three high-definition IP/HDMI/SDI/CVBS video feeds alongside seamless bidirectional transparent data streams (e.g., flight telemetry, BDS/GPS, voice signals). Highly secure AES encryption ensures complete end-to-end data integrity. Achieving up to 40W of transmitting power, it guarantees unmatched link stability over extreme distances.
| General Specifications | |
| 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 settings |
| Data Rate | 1-70Mbps (20MHz BW) Broadband; 50-1000kbps Narrowband Adaptive, QoS |
| Modulation Mode | TD-COFDM, BPSK/QPSK/16QAM/64QAM Adaptive (Fixed settings optional) |
| RF Output Power |
10W × 2 / 20W × 2 40W × 2 / 50W × 2 150W × 2 / 250W × 2 (Customizable) (Supports TPC, transmission power control in 1dBm steps) |
| Mode | Decentralized P2P, P2MP, and MP2MP communication structures with cross-connections, supporting lightweight self-healing dynamic routing (up to 8 nodes) and multi-hop relays. |
| Single Hop Delay | Average 6ms (Unidirectional, 20MHz BW) |
| Encryption | DES, AES128/256 (Optional: SM4 / SNOW3G / ZUC; customizable TF card/hardware chip security layers) |
| Anti-Jamming Mode | Manual spectrum scan, Full-band spectrum awareness (intelligent frequency selection), Adaptive frequency hopping, and Roaming mode selectable. |
| System Operations | Startup time < 28s; network discovery/relay switching < 1s. High tracking dynamics supporting Doppler shifts up to ±6kHz (speeds over Mach 6 / 2000m/s). |
| Frequency Bands | |
| VHF/UHF Band | 360-450 / 450-550 / 570-700 / 800-950MHz; 225-400 / 225-678 / 320-470MHz |
| L Band | 1.0-1.2 / 1.1-1.3 / 1.3-1.5 / 1.5-1.7 / 1.6-1.8GHz; 1.0-1.5 / 1.1-1.6 / 1.2-1.7 / 1.3-1.8 / 1.6-2.3 / 1.7-2.4 / 1.8-2.5GHz |
| 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 / 3.6-3.8GHz; 1.9-2.7 / 2.0-2.7 / 2.1-2.7 / 2.7-3.6GHz |
| C Band | 4.4-5.0 / 5.25-5.85GHz; 4.2-5.2 / 5.5-6.0 / 6.4-7.2GHz |
| Environmental & Mechanical | |
| Operation Temp. | -40°C to +80°C |
| Protection Rating | IP66 standard (Customizable up to IP67/IP68) |
| Mechanical Parameters |
• 19.1 x 18.6 x 6.3 cm / 2.16 kg (10W×2 / 20W×2 Models) • 25.8 x 21.3 x 6.5 cm / 3.95 kg (50W×2 Models) • 19.0 x 23.0 x 6.5 cm / 3.00 kg (Dual-band Simultaneous Model) • 48.2 x 42.0 x 4.5 cm / 3.90 kg (19'' 1U Standard Rackmount Model) |
| Power Inputs |
• 18-32V DC (for 10W×2 / 20W×2 transceivers) • 28-32V DC (for 40W×2 / 50W×2 transceivers) |
| Connectivity Interfaces | |
| I/O Ports | 2x TNC/N RF connectors, 1-2x RJ45 Gigabit Ethernet, RS232, Wi-Fi Access Point, BD/GPS (GNSS), TTL (UART)/SBUS/Bluetooth options. Transparent data relay supporting MAVLink & priority QoS schemes. |
| Auxiliary / Extension | MIC/SPK/PTT intercom loop, 4G LTE/public routing integration, fiber optic bridge, and native HDMI/SDI low-latency converters. |
