Four-Channel High-Precision Positioning Protect Antenna

ZD-KXAT401_4B1L1E1 is a 4-channel CRPA protected antenna supporting BDS B1, GPS L1, and GALILEO E1 signal reception and processing. It features anti-jamming for broadband, narrowband, sweep, and pulse signals with three-directional protection. With wide 12V–32V power input, compact structure, and strong environmental adaptability, it ensures stable and reliable high-precision positioning in complex electromagnetic environments.

Product Detail

ZD-KXAT401_4B1L1E1 is a high-performance 4-channel CRPA anti-jamming protected antenna designed for high-precision positioning. It supports signal reception, amplification, down-conversion, filtering and processing of BDS B1, GPS L1 and GALILEO E1. It features multi-type interference suppression for broadband, narrowband, sweep and pulse signals, with three-directional electromagnetic protection. Anti-jamming performance reaches ≥100dB per direction and ≥90dB for three channels. Powered by 12V–32V wide voltage, equipped with SMA-KF RF interface and J30J-9ZKP power interface, dimensions 100mm×100mm×32mm, operating temperature -45℃~+70℃, MTBF≥2000 hours, ensuring stable and reliable positioning in complex electromagnetic environments.

2.1 Aerial Array	Antenna array	4-channel B1/L1/E1 antenna array
	Input frequency	BSD_B1: 1561.098MHz±2.046MHz; GPS_L1: 1575.42MHz±1.023MHz; GALILEO_E1:1575.42MHz±12.276MHz
	Input impedance	50Ω
	Voltage standing wave ratio	≤2
2.2 Signal Processing	Number of channels	4 channels (BDS_B1,GPS_L1,GALILEO_E1)
	Signal types	broadband, narrowband, sweep, and pulse, etc.
	Signal processing bandwidth	20MHz
	Processing direction count	3
	Single-direction performance	≥100dB@-130dBm
	Three-channel performance	≥90dB@-130dBm
2.3 Location Performance(optional)	Cold start time	≤60 seconds (including self-test time)
	Hot start time	≤10s
	Positioning accuracy	≤10m
	Anti-Deception Capability (Optional)	≤10m
2.4 Reliability	Mean Time Between Failures (MTBF)	≥2000 hours
2.4 Reliability	Continuous working time	≥24 hours
2.5 Environmental Suitability	Operating temperature	-45℃ to +70℃, 10% to 90% relative humidity (no condensation)
2.5 Environmental Suitability	Storage conditions	-45℃ to +75℃, 10% to 90% relative humidity (no Condensation)