The Advantenna-L11 from Keonn is a RFID Antenna with Frequency 813 MHz to 1 GHz, Gain 2 dBi, Horizontal Beamwidth 100 Degree, Vertical Beamwidth 100 Degree, Operating Temperature -20 to 80 Degree C. Tags: Panel. More details for Advantenna-L11 can be seen below.