The B-meters IWM-TX3 is a Wireless M-BUS (WMBUS) radio module designed to transmit consumption data for compatible water meters, including the GMDM-I, GMB-I, GMB-RP-I, and CPR-M3-I models.
Returns & Refunds Policy
Warranty Against Defects
Original Products
Ships Worldwide
Dedicate Support
The B-meters IWM-TX3 is a Wireless M-BUS (WMBUS) radio module designed to transmit consumption data for compatible water meters, including the GMDM-I, GMB-I, GMB-RP-I, and CPR-M3-I models.
Consumption Data Reporting:
Leak Detection:
Flow Monitoring:
Tamper Detection:
This module integrates seamlessly with B-meter devices, providing advanced monitoring capabilities while improving operational efficiency.
Radio interface |
W-Mbus EN13757-4 @868 MHz ≤ 25 mW, mode T1 |
Coverage |
500 m* |
Compatible water meters |
GMDM-I, GMB-RP-I, GMB-I |
Pulse output minimum value (K) |
1 liter |
Configuration |
Via radio (with RFM-RX2 and software B Metering), NFC (with Android app) |
Energy supply |
Non-replaceable lithium battery, maximum lifetime 10 years** |
Protection class |
IP68*** |
Weight |
124 g |
Size (l x p x h) |
88 x 75 x 60 mm |
Working Temperature |
+1° / +55°C |
Transmitted data |
Volume (consumption), total of backward flow, 12 monthly historical values, battery status, alarms |
Alarms |
Discharged battery, module removal, magnetic fraud attempt, backward flow, leakage detection |
Module programming requirements |
Android device (smartphone, tablet, etc.) with an NFC interface and the NFC IWM Config APP freely downloadable from GOOGLE PLAY |
* In optimal signal transmission conditions
** The battery life strongly depends on the working time window, set during the configuration process, and on the environmental conditions
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia iste laborum ad impedit pariatur esse optio tempora sint ullam autem deleniti nam in quos qui nemo ipsum numquam, reiciendis maiores quidem aperiam, rerum vel recusandae