The ST221-SF1SNF(E6248) from Sinclair Technologies is a Antenna with Frequency 158.4 to 168 MHz, Bandwidth 9.6 MHz, Gain 2.1 dBi, Power 300 W, Operating Temperature -40 to 60 Degree C. Tags: Low Profile. More details for ST221-SF1SNF(E6248) can be seen below.