The BBT-RFID09C04 from BBT Antennas is a RFID Antenna with Frequency 902 to 928 MHz, Gain 4 dBi, Horizontal Beamwidth 120 Degree, Vertical Beamwidth 40 Degree, Front to Back Ratio 20 dB. Tags: Sector. More details for BBT-RFID09C04 can be seen below.