The MT-182018/NLH from MTI Wireless Edge is a RFID Antenna with Frequency 430 to 440 MHz, Gain 3.5 to 4 dBic, Horizontal Beamwidth 88 Degree, Vertical Beamwidth 88 Degree, Front to Back Ratio -15 dB. Tags: Panel Antenna. More details for MT-182018/NLH can be seen below.