Dongfeng KL truck parts 4G GPS antenna assembly 7920030-C3302

Built for seamless integration of GPS positioning and 4G data transmission, this antenna features enhanced dual-band signal performance. The GPS module uses a 28×28mm ceramic patch with 30dB low-noise amplifier (LNA), achieving ±1m positioning accuracy (CEP) and cold-start time ≤25s, supporting GPS/GLONASS/Beidou multi-constellation reception. The 4G segment adopts a PIFA antenna design with 8dB gain, covering all mainstream 4G bands (FDD-LTE/TD-LTE) to ensure 150Mbps downlink speed even in remote areas. A dual-band filter blocks cross-interference by 70dB, preventing GPS signal disruption from 4G transmission. This integration eliminates the need for separate antennas, reducing cab clutter and ensuring stable data upload for fleet tracking and remote diagnostics

Engineered to endure the harsh outdoor environment of truck operations, the 7920030-C3302 antenna boasts a rugged, weatherproof design. The housing is made of UV-stabilized PC/ABS alloy (UL94 V-0) with 5mm wall thickness, achieving IP68 protection—resisting dust, high-pressure water jets, and submersion up to 1.5m for 60 minutes. Dual SMA connectors feature HNBR rubber seals, preventing corrosion and water ingress. The antenna operates reliably in temperatures from -40℃ to 90℃, adapting to frigid winters and sun-exposed roofs. It passes 2000-hour vibration testing (10-500Hz) and 10kJ/m² impact resistance, enduring road bumps, branch collisions, and gravel strikes without signal degradation or structural damage

Optimized for the Dongfeng KL’s 12V electrical system, the antenna integrates low-power consumption and robust anti-interference features. The GPS LNA draws only 12mA at 3.3V, while the 4G module consumes 20mA at 5V—minimizing power load and avoiding battery drain. The coaxial cable uses 95% tinned copper braid shielding plus aluminum foil, reducing electromagnetic interference (EMI) from the engine, alternator, and radar systems by 85%. It complies with ISO 11452 EMC standards, ensuring no interference with on-board electronics like the BCM or instrument cluster. The antenna’s ground plane design enhances signal stability, preventing positioning drift or 4G disconnections caused by electrical noise in the cab

This dual-function antenna is designed for efficient deployment and long-term cost savings for Dongfeng KL operators. The integrated mounting base (magnetic + bolt-on options) allows a single technician to install it in 25 minutes—no specialized tools needed. The 3.5m cable provides flexible routing to the TCU, avoiding stretching or kinking. Its OE compatibility eliminates mismatches common with aftermarket antennas, which cause telematics failures (repair costs up to $500). By combining GPS and 4G functions, it reduces component count by 50%, lowering purchase and maintenance costs. With a 300,000km service life and 2-year/200,000km Dongfeng warranty, it ensures reliable fleet tracking, route optimization, and real-time data transmission, boosting operational efficiency