Model£ºVF-747 Performance Index Frequency range£º860-868MHZ£¬902-928MHZ£¨can be customized£© Frequency modulation£ºFHSS or fixed-frequency, can be set by software RF output£º+10.0 to +30.5 dBm£»50 ohm load. The number of antennas£º1 SMA antenna connector; 2 SMA antenna connector; 4 SMA antenna connectors for selections Communication interface£º10M/100MAdaptive Ethernet¡¢RS232¡¢RS485¡¢Wiegand26/34 interface Communication rate£ºSerial rate 9600¡«115200bps£¬RJ45 is 10Mbps Secure firmware upgrade£ºThe upgrade mechanism can be extended input / output (GPIO)£º2 inputs, 1 output Application software£ºSupply API SDK and VC and VB, Java application routines Tag Operation Performance Reading distance£º8dbi Antenna configuration, typical read range: 3 to 25 m (depends on tag) Protocol£ºEPC global UHF Class 1 Gen 2 / ISO 18000-6C/ ISO18000-6B Maximum receiver sensitivity£º-82 dBm; Maximum return loss: 10 DBm Mechanical electrical performance Dimension£º200 (L) * 200 (W) * 35 (H) mm Power£ºWith 220V AC input, the output of +12 V/3A DC power converter Weight£º£¼2KG Humidity£º5% to 95%, Non-condensing IP rating£ºIEC IP51 Operating Temp.£º-20 oC to +60 oC Storage Temp.£º-40¡ãC to 80¡ãC