Performance Index Operating Frequency:860-920MHz, frequency band adjustable Frequency Hopping:FHSS or Fixed Frequency Power Output:+20dBm~+30dBm@50¦¸ load, 1dBm each step Antenna Interfaces:4 SMA interfaces Communication Interfaces:RS-232, USB2.0, 10M/100M Ethernet Expanding Interfaces:RS-485, Wiegand26/34, CAN Bus Wireless Expanding Module:GPRS/GSM Module, Bluetooth Module, 802.11 Module I/O Interfaces4 Relay Output, 2 Trigger Input Firmware Update:through RS-232 Application Software Platform:Providing API based on C++, C#£¡¡¨¬can be customized) Tag Operation Tag Protocol: ISO18000-6B, EPC Class 1 Gen 2(ISO18000-6C) Reading Range:0~15m (depends on antenna) Writing Range:0~5m Reading Speed:> 50pcs/s (EPC Class 1 Gen 2) > 20pcs/s (ISO18000-6B) Max Identifying number Simultaneously:160pcs (EPC Class 1 Gen 2) 10pcs (ISO18000-6B) Identifying Time:Single Card 99.9% Tag Filtering: