1.Automatic Meter Reading solution 2.provide data transfer ... ideal for applications, such as PLC based automation, Automatic Meter Reading, Power/water supply/street light remote monitoring ... : 110~230400bits/s Indicator lights: Power, ACT, Online Antenna interface: standard SMA female interface, 50 ohm SIM/UIM ... OS, such as WINDOWS, LINUX, SCO UNIX etc. Automatic Meter Reading via Cellular Networks