ADS Environmental Services IETG FlowHawk QR 775012 A4 - Manual (Page 41)

System Overview 2-5
efficient digital communication in areas with GSM/GPRS coverage
using static IP address services.
Remote communication with the monitor occurs over the network
through one of three kinds of modems.
 GSM Module The GSM module (p/n 8000-0052) is typically
installed in the manhole at the monitor location.
GSM Module