The Advantenna-SP11 from Keonn is a RFID Antenna with Frequency 865 to 868 MHZ (EU Version), 902 to 928 MHz (US Version), Gain 8.3 dBi, Horizontal Beamwidth 70 Degree, Vertical Beamwidth 70 Degree. Tags: Panel. More details for Advantenna-SP11 can be seen below.