The ANT-450-HSW from Linx Technologies is a Antenna with Frequency 410 to 467.5 MHz, Gain -0.9 to -0.1 dBi (Average Gain) & 2.3 to 3.1 dBi (Peak Gain), Power 25 W, Operating Temperature -40 to 85 Degree C. Tags: Monopole, Whip. More details for ANT-450-HSW can be seen below.