The G4 extended meters have a Qmin of 0.016 m³/h and a Qmax of 6.0 m³/h, and are available with GPRS communication technologies
Center distance: G4 EXTD 110 mm
Center distance: 110 mm, 130 mm, 152 mm GPRS, NB-IoT, WMBUS 169 MHz, ZigBee 2.4 GHz