GWFcoder® MP radio module wM-Bus
RCM®-H200 868MHz
Product categories
Water,
Gas
868 MHz wireless M-Bus GWFcoder® MP radio module
Water
Drinking Water
Gas
Wireless
wM-Bus
Smart City
Smart Building
Your benefits
- Performance driven design:
Up to 600 m range depending on environment - Real Plug & Play:
Backward compatible for all meter types with GWFcoder® MP. Easy and fast on-site installation with auto interface-detection (no programming required) - Use of Wireless M-Bus acc. EN 13757-4 (OMS®):
Interoperability with different system partners - Custom-tailored RF Mode:
Up to 15 years battery lifetime
Applications
- Simple readout of water and gas meters with GWFcoder® MP registers without necessity to access buildings
- Easy and comfortable readout of measuring points with difficult access and within harsh environments
- «Drive-by» and Fixnetwork (Smart Metering)
Options
- RCM®-H200 compact (IP67) – radio builds one unit with water meter
- RCM®-H200 split (IP68) – remote installation away from (flooded) water meter

Downloads
RCM®-H200 Split on GWFcoder® MP (Water) Quick reference guide
RCM®-H200 Split on GWFcoder® MP (Water) Installation instructions
RCM®-H200 Split on BGZcoder® MP (Gas) Quick reference guide
RCM®-H200 Split on BGZcoder® MP (Gas) Installation instructions
EU Declaration Of Conformity
UK Declaration Of Conformity
Properties
- Battery powered, wireless M-Bus radio module
- Radio transmission in license free 868 MHz frequency band
- Split execution: Water proof design for pit installations (protection class IP68)
- Compact execution: Protection class IP67
- Transmission of data protocol by wireless M-Bus acc. EN 13757-4 (OMS® Gen. 4, Issue 4.2.1)
- Simple installation and automatic start-up after connecting to meter
- Transmissions of register values:
- Drive-by: Hourly value and monthly key date value
- Drive-by Privacy: Monthly key date value
- Fixnetwork: 15 minute value and monthly key date value - AES128 encrypted wireless protocol, security mode 5 (security profile A) or 7 (security profile B)
- For all meter types with GWFcoder® MP register and ECO interface
- Split-connection (cable) to the meter – remote installation
- Free route selection – no call-up required
- Migratable from drive-by system to fixed network application for smart metering
- In combination with the portable radio receiver device «MEx Mobile» up to 250 water and gas meters can be read out within 30 minutes.
- Contactless NFC configuration interface
, UKCA and ICASA approved
Product information
Configuration
Configuration 1: Drive-by | Configuration 2: Drive-by Privacy | Configuration 3: Fixnetwork | |
---|---|---|---|
Data actuality | 1 h | Monthly key date value | 15 min |
Transmission interval | During day: 20 s During night: 2 min | During day: 20 s During night: 2 min | 1 min |
Configurable parameters | |
---|---|
Configuration interchangable (Drive-by, Drive-by Privacy or Fixnetwork (Smart Metering)) | |
Warnings, all enabled or all disabled: Continuous flow / Leak (only medium water), Backflow, Pipe burst (meter size has to be configured on site), No usage over a period of 30 days |
Dimension Diagram

Radio-Start behavior
RCM®-H200 split: | 3 minutes after the connection of the GWFcoder® MP-meter |
RCM®-H200 compact: | 3 minutes after the flow of 5 liters |
Technical Data
Specifications | Radio module RCM®-H200 |
---|---|
Meter interface | Multiprotocol MP (ECO) |
Supported meters | Water meter: All with GWFcoder® MP register Gas meter: BGZcoder® MP and BGZcoder® MP AE5 (requires connection module ACM 5.1.1 ECO |
Frequency band | Tx: 868,95 MHz (C1) |
Transfer protocol | Wireless M-Bus acc. EN 13757-4 (OMS® Gen. 4, Issue 4.2.1) |
Modulation | FSK |
Radiated power | max. 14 dBm (25 mW) |
Range | Depending on environment (up to 600 m) |
Directive | CE: 2014/53/EU UKCA: Radio Equipment Regulations 2017 No. 1206 |
Approval | ![]() |
Protection class | Split execution: IP68 Compact execution: IP67 |
Cable length | 1 m |
Cable extension | max. 20 m |
Weight | 180 g |
Power supply | |
---|---|
Battery | 1 x Lithium 3,0 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 +65 °C |
Relative humidity | 0 to 100% (submersible) |
Information data package (Wireless M-Bus) | Data Example |
---|---|
Manufacturer1) | GWF |
Radio ID | 30124789 |
Medium1) | Water |
Version1) | 6.0 |
Meter number1) | 23215678 |
Current absolute meter reading1) Drive-by: Hourly value Fixnetwork: 15 minute value Drive-by Privacy: Will not be transmitted | 00359,768 m3 |
Absolute meter reading (key date)1) | 00343,417 m3 |
Date-key date reading | 01.05.2023 |
Remaining battery lifetime | Days / Semester |
Warnings | Low battery, continuous flow / leak, backflow, pipe burst, no usage or day- or night-mode active |
Status1) | Manipulation |
1) This data is read directly from the GWFcoder® MP register.
Applications

