The Advantenna-CP11 from Keonn is a RFID Antenna with Frequency 865 to 868 MHZ (EU Version), 902 to 928 MHz (US Version), Gain 0.2 dBi, Horizontal Beamwidth 120 Degree, Vertical Beamwidth 120 Degree, Operating Temperature -20 to 80 Degree C. Tags: Panel. More details for Advantenna-CP11 can be seen below.