The anti-jam system is designed to receive, amplify, downconvert, filter, and perform anti-jam processing on 7 channels of BeiDou BDS B1 , GPS L1 , GALILEO E1 , and GLO G1 frequency signals.
It operates on a supply voltage of +1 8V to +32V. It consists of four main components: antenna array, RF components, antijam processing components, and receiver.
It is able to counter six broadband interference sources, providing high-precision positioning and precise timing under strong interference conditions.
YH181 Dual-frequency Seven-channel Global Navigation Satellite System (GNSS) Anti-Jamming System
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- Overview
- Key Features
- Parameters
- Related Products
Overview
Key Features
Multi-System GNSS Protection
YH181 processes 7-channel BDS/GPS/GALILEO/GLONASS signals with optional L2/L5 bands, featuring ≥100dB single-band interference rejection at -130dBm for reliable operation in contested environments.
Advanced Multi-Threat Defense
Engineered to simultaneously counter six directional interference sources (broadband/sweep/pulse) while maintaining ≥90dB three-band and ≥80dB six-band resistance for continuous precision navigation.
Ruggedized System Design
Operates from -40°C to +70°C in a compact Φ250×61.2mm chassis (≤3kg) with wide voltage input (18-32V) at <50W power consumption, built for demanding field deployments.
High-Accuracy Positioning
Delivers ≤10m positioning and <0.2m/s velocity accuracy through optimized RF processing, ensuring mission-critical performance under strong electromagnetic interference.
Parameters
| Product Parameters | |
|
7 channels: BDS B1 , GPS L1 ,GALILEO E1 and GLONASS L1 antenna array; |
|
| Input frequency: B1:1561 .098MHz±2.046MHZ; L1 :1 575.42MHz ± 1 .023MHZ G1:1601 .5MHz±8.5MHZ; E1 :1 575.42MHz ± 1 .023MHz | RF output power: RF output can support external receiver; |
| Anti-interference type: It has the ability to suppress various interferences and combined interferences such as broadband, sweep frequency and pulse; | Storage environment: -45 ° C to +75 ° C; |
| Anti-multi-interference number: Able to simultaneously resist 6 interference sources from different directions | Power consumption: < 50w; |
| Anti-single broadband interference capability: signal ratio ≥ 100 dB @ -130 dBm | Weight: ≤3kg |
| Anti-three-band interference capability: signal ratio ≥90dB@-130dBm | Positioning accuracy: ≤10m; |
| Anti-six-band interference capability: signal ratio ≥80dB@-130dBm | Speed measurement accuracy: <0.2 m/s. |
| Operating temperature: -40 ° C to +70 ° C; | Dimensions: ≤Φ250 mm×61.2 mm (±0.5 mm) |
Applications
