User's Manual

ST Engineering Telematics Wireless Ltd
2
1. General description
The MMR3 is a plug and play RF transceiver unit operates at 916.3MHz.
The MMR3 unit collects wireless transmissions from water meters. The water meters are
compatible with Silver Spring network.
The received data is saved in the internal
memory or transmitted via RS232/USB to external PC.
2. External photos
MMR3- General view