The BBT-09PA12V045-J-450 from BBT Antennas is a RFID Antenna with Frequency 902 to 928 MHz, Gain 12 dBi, Horizontal Beamwidth 45 Degree, Vertical Beamwidth 42 Degree, Front to Back Ratio 17 dB. Tags: Panel. More details for BBT-09PA12V045-J-450 can be seen below.