The GPS-C 4/2/TETRA-S BBMU from Amphenol Procom is a Antenna with Frequency 74.2 to 87.5 MHz, Gain -4 to 2 dBi, Operating Temperature -35 to 75 Degree C, Noise Figure 1 dB, Output Power 25 W. Tags: Whip, Dipole. More details for GPS-C 4/2/TETRA-S BBMU can be seen below.