The TUALAJ 8100 GPS/GNSS Anti-Jam CRPA from TUALCOM is a GNSS Anti-Jamming Solution with Frequency 1575.42 MHz (BeiDou B1C) / 1559 to 1591 MHz (Galileo E1) / 1164 to 1189 MHz (Galileo E5a) / 1575.42 MHz (GPS L1), Suppression 50 dB, Operating Voltage 12 to 36 V. More details for TUALAJ 8100 GPS/GNSS Anti-Jam CRPA can be seen below.