... WiFi Network1. Low-power WiFi(13dbm/54M), supports 802.11b/g protocol, frequency 2.4GHZ, the wireless ... meters without block 2. powerful WiFi(20dbm/54M),supports 802.11b/g/n protocol, frequency 2.4GHZ, maximum ... Configuration / UpgradingPoE (chargeable option)Built-inWiFi (chargeable option)Support 802.11g/b wireless networkCommunicationEmail / FTPSerial portOne RS485 interface, support transparent ...