KXAT280_16B1L1E1 is a CRPA (Controlled Reception Pattern Antenna) protected antenna, capable of receiving, down-converting, filtering, and processing 16 channels of BDS_B1, GPS_L1, and GAL_E1 signals. It consists of three parts: an antenna array, an RF module, and a processing module. It has protection capabilities against abnormal electromagnetic signals from fifteen directions. It is suitable for various scenarios sensitive to electromagnetic environments and reliant on high-precision positioning, significantly enhancing the stability of positioning equipment in complex electromagnetic environments.
Tri-Band Multi-Constellation Support: Seamlessly receives and processes 16 channels of BDS_B1, GPS_L1, and GAL_E1 signals for comprehensive global navigation coverage.
15-Directional Signal Integrity Protection: Effectively shields against abnormal electromagnetic signals from up to 15 distinct directions, ensuring robust performance in complex environments.
Highly Integrated 3-Part Architecture: Combines the antenna array, RF module, and processing module into a streamlined design for simplified deployment and reliable operation.
Enhanced Positioning Stability: Significantly improves the reliability and accuracy of positioning equipment in electromagnetically sensitive and challenging environments.
Advanced Signal Processing: Features comprehensive signal reception, down-conversion, and filtering capabilities to deliver high-precision navigation data.
| Main Technical Specifications | |
| Antenna Array | Signal Processing |
| •Antenna Elements: 16-channel B1/L1/E1 array; •Input Frequency: BDS_B1: 1561.098MHz ± 2.046MHz; GPS_L1: 1575.42MHz ± 1.023MHz; GAL_E1: 1575.42MHz ± 12.276MHz. | •RF Output Power: -55dBm to -75dBm; •Signal Types: Wideband, narrowband, frequency sweep, pulse, etc.; •Simultaneous Processing Directions: 15; B1, L1, E1 Signal Processing Performance: •RF Output Power: -55dBm to -75dBm; •Signal Types: Wideband, narrowband, frequency sweep, pulse, etc.; •Simultaneous Processing Directions: 15; |
| Positioning Performance (Optional) | Reliability |
| •Cold Start Time: ≤ 60s (including self-test time); •Hot Start Time: ≤ 10s; •Reacquisition Time: ≤ 2s (within 5s of lock loss); •Positioning Accuracy: ≤ 10m; •Velocity Accuracy: ≤ 0.2m/s; •Anti-spoofing Capability (Optional). | •Mean Time Between Failures (MTBF) ≥ 5000 hours; •Mean Time To Repair (MTTR) ≤ 30 minutes; •Continuous Operation Time: ≥ 24h. |
| Environmental Adaptability | |
| •Operating Temperature: -40°C to +70°C, 10% to 90% RH (non-condensing); •Storage Environment: -45°C to +80°C, 10% to 95% RH (non-condensing); •Waterproof Rating: IP65. | |
| Power Supply and Power Consumption | Weight |
| •Input Voltage: +20V to +32V; •Power Consumption: ≤ 45W. | ≤ 3500g |
| Interfaces and Mechanical Dimensions | |||
| Interface | |||
| •Onboard RF Interface: TNC-KF; •Power/Data Interface: MS3112E14-19P, pin definitions are as follows: | |||
| No. | Pin Definition | Signal Description | Remarks |
| 1 | +20V~+32V | Power Input | Power Port |
| 2 | +20V~+32V | Power Input | - |
| 3 | GND | Power Ground | - |
| 4 | GND | Power Ground | - |
| 5~13 | NC | NC | Reserved |
| 14 | TTL_TX | TTL Data Transmit | Navigation Data Port, Default 115200bps |
| 15 | GND | Signal Ground | - |
| 16 | TTL_RX | TTL Data Receive | - |
| 17~19 | NC | NC | Reserved |
| Structural Dimensions |
| Device Dimensions: 280.0mm × 280.0mm × 60.0mm (Tolerance ± 0.5mm), as shown in Figure 3-1: |






