LoRaWAN™ 868 MHz, GWFcoder® Radio module
RCM®-LRW
Product categories
Water,
Gas
Low Power Wide Area Network (LPWAN)
Water
Gas
System technology
Wireless
LoRaWAN
Smart City
Smart Building
Your benefits
- Backwards compatible:
No meter change required when migrating water and gas meters with GWFcoder® interface into a Low Power Wide Area Network (LPWAN) - Performance driven design:
Range up to several km - Plug & Play:
Easy and fast on-site installation with auto interface-detection and activation in LoRaWAN (no programming required) - LoRa Alliance Certified:
Interoperable with different LoRaWAN network providers - Integrated monitoring of connectivity and reconnecting mechanisms:
Robust operation with automatic repair options, e.g. with gateway failures - Custom-tailored RF Mode:
Up to 15 years battery lifetime
Applications
- Simple readout of water and gas meters with GWFcoder® registers without necessity to access buildings
- Migration of installed meters with GWFcoder® registers to a smart metering system via LoRaWAN
- Energy monitoring, energy reporting and consumption accounting with the GWF MEA cloud solution
- Integration of water and gas meters with GWFcoder® registers in smart city projects
Downloads
Links
LoRaWAN Starter Kit (EN)Properties
- Battery powered, LoRaWAN radio module
- Radio transmission in license free 868 MHz frequency band
- Water proof design for pit installations (protection class IP68)
- Transmission of latest register value and further information
- For all meter types with GWFcoder® / GWFcoder® MP register with SCR(IEC) or ECO interface (gas / water, domestic and industrial meters)
- Split-connection (cable) to the meter – remote installation
- Data transmission in accordance with LoRaWAN specification
- Data security via AES-128-bit end-to-end encryption over 2 independent security layers
- ADR (adaptive data rate) support gives higher transmission intervals with consistent battery life
- Real-time clock synchronization with the LoRaWAN-Network (Radio module version ≥1.4.0 and acc. LoRaWAN spec. ≥1.0.3 – DeviceTimeReq)
- Infrared configuration interface
Approval
Options
| Configuration 1: Fixed transmission interval | Configuration 2: Dynamic transmission interval | |
|---|---|---|
| Transmission interval | daily | Up to 15 min., depending on meter interface and LoRaWAN network quality |
| Configurable parameters | |
|---|---|
| Configuration (fixed or dynamic transmission interval) | |
| Warnings, all enabled or all disabled (Radio module version ≥1.4.0): – Continuous flow / Leak1) (only medium water) – Backflow1) (has to be reset on site) – Pipe burst1) (meter size has to be configured on site) – No usage over a period of 30 days | |
1) Available for GWFcoder® registers with ECO or SCR+ interface
Dimension Diagram
Radio-Start behaviour
3 minutes after the connection of the GWFcoder®-meter
Technical data
| Specifications | Radio module RCM®-LRW10 | |
|---|---|---|
| Meter interface | Meter with GWFcoder® or GWFcoder® MP register with SCR(IEC) or ECO interface | |
| Frequency band | 868 MHz (EU) | |
| Transfer protocol | GWF specific | |
| Radiated power | max. 14 dBm (25 mW) | |
| LoRaWAN class | A | |
| ADR | Yes | |
| Activation type | OTAA | |
| Range | Up to 15 km (depending on environment) | |
| Compliance with standard | EN 300 220 | |
| Approval | | |
| Certifications | LoRa Alliance CertifiedTM (V1.0.1) | |
| Protection class | IP68 | |
| Cable length | Standard 1,4 m | |
| Cable extension | max. 25 m | |
| Weight | approx. 300 g | |
| Power supply | |
|---|---|
| Battery | 2 x Lithium 3,6 V (not replacable) |
| Typical battery lifetime | Up to 15 years (depending on environment and configuration conditions) |
| Ambient conditions | |
|---|---|
| Operational temperature | -15 to +55 °C |
| Storage temperature | -15 to +55 °C |
| Relative humidity | 0 to 100% (submersible) |
| Information data package | Data (example) MTKcoder® MP |
|---|---|
| DevEUI RCM®-LRW10 | 70B3D538700000AB |
| Meter manufacturer1) | GWF |
| Medium1) | Water |
| Meter number1) | 18215678 |
| Absolute meter reading1) (up to 15 min. values) | 359,768 m3 |
| Remaining battery life | Semester |
| Warnings | Battery, LoRaWANTM link error, continuous flow, backflow, pipe burst, no usage |
| Status1) | Manipulation |
1) This data is read directly from the GWFcoder® register
| Dynamic transmission interval | |
|---|---|
| SF7 | 15 minutes, 60 minutes or daily |
| SF8 - SF11 | 60 minutes or daily |
| SF12 | Daily |