Tag RFID Antenna with High Performance, International Approvals, Small Orders Accepted. 1.Dimension(mm): 65*10*4 2.Center Frequency(MHz): 850-960,2400-2500 3.Band Width(MHz): 2 4.Gain(dB): 3.5 5.Polarization: linear 6.Frequency Temperature Coefficient(ppm/°C): Tag 7.IC: 18000-6B or 6C Electrical specification can be customized.