Multi-Band GNSS Interference Suppression Module
This module is a compact, high-performance anti-jamming and anti-spoofing GNSS module designed for UAVs, loitering munitions, vehicles, and maritime platforms. It integrates an advanced anti-jamming antenna array, interference suppression module, and a spoofing-resistant GNSS receiver, ensuring reliable positioning even in contested electromagnetic environments.
Technical Specifications
| Item | Specification |
| Product Model | R-M-J13 |
| Product Components | Includes anti-jamming antenna array, anti-jamming processing module, anti-spoofing receiver |
| Application Fields | UAVs, loitering munitions, vehicle-mounted systems, ships |
| Operating Frequency Bands | - Band 1: BDS B1, GPS L1, GAL E1 - Band 2: GLO G1 - Band 3: GPS L5 - Band 4: BDS B3 Supports dual-frequency four-system (dual-four) mode with any two selectable bands |
| Anti-Jamming Performance | ≥105 dB (single-source interference) ≥95 dB (three simultaneous jammers) Performance depends on receiver capability |
| Anti-Spoofing Performance | Position offset ≥450m from spoofed to real location, normal positioning maintained |
| Receiver Performance | Position accuracy: ≤10m (1σ) Velocity accuracy: ≤0.2m/s (1σ) PPS accuracy: ≤100ns (1σ) |
| Power Supply & Consumption | Voltage: DC 5V ± 0.2V Power Consumption: ≤12W (Single-Four mode), ≤18W (Dual-Four mode) |
| Environmental Adaptability | Operating temperature: -40℃ to +65℃ Storage temperature: -40℃ to +75℃ Waterproof rating: IP66 |
| Structural Characteristics | Dimensions: 130mm × 130mm × 32.2mm (excluding connectors) Weight: ≤600g |
| External Interface | J30J-9ZKP (customizable SMA RF output interface for external receivers) |
| Installation & Usage Notes | Ensure unobstructed surroundings during installation; mount closely to metal structure for good heat dissipation; minimize voltage drop in power cable to ensure >4.8V at device |
Wiring Definition
| Pin No. | Definition | Remarks |
| 1–2 | +5V | External input voltage range: 5V ± 0.2V |
| 3–4 | GND | Ground |
| 5 | TX+ | Receiver serial output (standard RS422 level, NMEA-0183 format, output frequency 10 Hz, baud rate 115200 bps, no parity) (customizable) |
| 6 | TX− | |
| 7 | RX+ | |
| 8 | RX− | |
| 9 | PPS-OUT | LVTTL level, output frequency 10 Hz |
Multi-Band GNSS Interference Suppression Module
This module is a compact, high-performance anti-jamming and anti-spoofing GNSS module designed for UAVs, loitering munitions, vehicles, and maritime platforms. It integrates an advanced anti-jamming antenna array, interference suppression module, and a spoofing-resistant GNSS receiver, ensuring reliable positioning even in contested electromagnetic environments.
Technical Specifications
| Item | Specification |
| Product Model | R-M-J13 |
| Product Components | Includes anti-jamming antenna array, anti-jamming processing module, anti-spoofing receiver |
| Application Fields | UAVs, loitering munitions, vehicle-mounted systems, ships |
| Operating Frequency Bands | - Band 1: BDS B1, GPS L1, GAL E1 - Band 2: GLO G1 - Band 3: GPS L5 - Band 4: BDS B3 Supports dual-frequency four-system (dual-four) mode with any two selectable bands |
| Anti-Jamming Performance | ≥105 dB (single-source interference) ≥95 dB (three simultaneous jammers) Performance depends on receiver capability |
| Anti-Spoofing Performance | Position offset ≥450m from spoofed to real location, normal positioning maintained |
| Receiver Performance | Position accuracy: ≤10m (1σ) Velocity accuracy: ≤0.2m/s (1σ) PPS accuracy: ≤100ns (1σ) |
| Power Supply & Consumption | Voltage: DC 5V ± 0.2V Power Consumption: ≤12W (Single-Four mode), ≤18W (Dual-Four mode) |
| Environmental Adaptability | Operating temperature: -40℃ to +65℃ Storage temperature: -40℃ to +75℃ Waterproof rating: IP66 |
| Structural Characteristics | Dimensions: 130mm × 130mm × 32.2mm (excluding connectors) Weight: ≤600g |
| External Interface | J30J-9ZKP (customizable SMA RF output interface for external receivers) |
| Installation & Usage Notes | Ensure unobstructed surroundings during installation; mount closely to metal structure for good heat dissipation; minimize voltage drop in power cable to ensure >4.8V at device |
Wiring Definition
| Pin No. | Definition | Remarks |
| 1–2 | +5V | External input voltage range: 5V ± 0.2V |
| 3–4 | GND | Ground |
| 5 | TX+ | Receiver serial output (standard RS422 level, NMEA-0183 format, output frequency 10 Hz, baud rate 115200 bps, no parity) (customizable) |
| 6 | TX− | |
| 7 | RX+ | |
| 8 | RX− | |
| 9 | PPS-OUT | LVTTL level, output frequency 10 Hz |
