... Ethernet, Wiegand and customized 2.Wireless module GPRS/GSM, WIFI, Buletooth optional 3.Reading distance ... or software, convenient for installation3. Wireless module GPRS/GSM, WIFI, Buletooth optional4. Power supply configurable ... GSM, Bluetooth, WIFI 802.11moduleI/O Port2-channel relays output,2-channel trigger inputFirmware UpgradeSupport serial portApplication Software PlatformProvide development ...