Main technical parameters Chip: Impinj R2000 Frequency range: 860-868MHz / 902-928MHz (boleh disesuaikan mengikut negara atau rantau) mod FM: Frekuensi Hopping Spread Spectrum(FHSS) atau kekerapan tetap, software settings RF output: 0~ 33 dBm; 50 Ohm load Number of antennas (pilihan): 1 TNC antenna interface/2 TNC antenna interfaces/4 TNC antenna interfaces Communication interface: 10M / 100M penyesuaian Ethernet, RS232, RS485, Wiegand26/34 interface Communication rate: …