UK / EU Helium HNT Antenna optimized RFID remote SAW bandpass filter 866 870MHz
868MHz RFID remote SAW bandpass filter, 866 ~ 870MHz, 4MHz bandwidth. How To Install RFID Remote SAW bandpass filter On Helium ( HNT) Hotspot Miner (Bobcat). The filter 1dB bandwidth 4MHz, cut-off characteristics of steep.