Main technical parameters Chip: Impinj R2000 Frequency range: 860-868MHz/902-928MHz (អាចត្រូវបានកែតម្រូវតាមប្រទេស ឬតំបន់ផ្សេងៗ) FM mode: Frequency-Hopping Spread Spectrum(FHSS) or fixed frequency, software settings RF output: 0~33 dBm; 50 Ohm load Number of antennas (ស្រេចចិត្ត): 1 TNC antenna interface/2 TNC antenna interfaces/4 TNC antenna interfaces Communication interface: 10M/100M adaptive Ethernet, RS232, RS485, Wiegand26/34 interface Communication rate: …