The RFM-RBT2 is a wireless M-Bus data receiver capable of collecting the consumption data sent by the radio modules combined with water meter, heat meters and heat cost allocators manufactured by B METERS and resend them to and ANDROID based smartphone or tablet using the Bluetooth (WPAN) transmission protocol.
A B METERS free app, downloadable from Google Play Store, allows the visualization and downloading of the consumption data sent by each device.
Received data can be easily saved locally or sent to an e-mail address.
Technical Features
| Dimensioni (LxHxP) | 70 × 115 × 25 mm |
| Weight |
300 g |
| Working temperature | From -10°C to +55°C |
| Storage temperature range | From -20 to +25 °C max. 1 year / from -20 +40 °C max. 3 months |
| Storage humidity Range | From +45% to +75% |
| Battery charging temperature | min. 0 °C / max. 40 °C |
| Power supply | LiPo 3.7V 3300mAh |
| Battery duration/ Full charging time |
Max. 2 days continuous operation/ Max. 6 hours* |
| Charge cycles | max. 500 |
| Protection class | IP54 |
| Receive Frequency | wMBUS Standard EN13757-4, T1(Rx), 867/ 868 / 921 MHz** |
| wM-Bus signal coverage | Up to 300 meters *** |
| wM-Bus antenna | Integrated or external (SMA connector) |
| Connection | USB Type-C (only battery recharging) 5 V 2Ah - cable not included |
| Bluetooth specification | Bluetooth 5.1 Class 2 |
| Supported pairing devices | From Android OS 5, 4.3” display or greater |
| Android application | Hydrolink Mobile (Google Play store) |
* In optimal environmental conditions
** Selectable frequency from Android app
*** In open field conditions