RFID Reader Antenna of High Performance, International Approvals,Prompt Delivery, Small Orders Accepted. 1.Patch Size(mm): 80*80*6 2.PCB Size(mm): 120*120 3.Center Frequency(MHz):922.5 4.V.S.W.R: 1.5 5.Band Width(MHz): 21 6.Gain: 6.0dB 7.Impendence (Ω): 50 8.Polarization: RHCP 9.Frequency Temperature Coefficient(ppm/°C): 10 10.RF Cable:RG174 11.RF Connector SMA Electrical specification can be customized.