The PRO-ARPS4-GPS-N from Amphenol Procom is a Multicoupler with Frequency 1575 MHz, ± 10 MHz, Gain 1 to 4 dB, Isolation 10 to 12 dB, Operating Temperature -30 to 60 Degree C. Tags: Module with Connector. More details for PRO-ARPS4-GPS-N can be seen below.