OMS Wireless Mbus Module 433/868 MHz, Follows the EN13757-4 Protocol

Product Information

WMB13-868 RF transceiver module follows the EN13757-4 protocol and complies with European test standard of EN 300 220. It has a UART interface for serial communication and configuration. The dimension is 13.7x25.4x3.4mm. WMB13-868 can work in S, T, R2 and C mode. It can be configured as master, slave and repeater. It works in sleeping mode with super-low consumption power and be wakened up via serial port. By mounting the module onto the user board, it is easy to use through serial port  communication protocol.

Applications
 • AMR/AMI
•  Electricity meters
•  Gas and Water meters
•  Heat meters, Heat cost allocators
•  Handheld device and gateways
•  In-Home Display and wireless sensor

Key Features
•  Embedded Wireless M-Bus protocol supporting EN 13757-4:2011 mode S, T,R2 and C.
•  Easy to use UART interface for communication and configuration
•  Wide supply voltage range, 2.0 – 3.6 V
•  Ultra low power modes for longer battery lifetime
•  Conforms with EU R&TTE directive (EN 300 220, EN 301 489, EN 60950)

Function Description
FC-703C wireless M-bus module supports S, T, R2 and C modes. It can be configured as master, slave and repeater. Please refer to the FC-703C User Manual for the detailed function description.

Typical Application Description
The WMB13-868 can be embedded into various base meters such as water, gas and heat meters via UART interface. It can communicate with the remote WMB13-868 module connected to the gateway, computers or any other meter reading system via UART interface (hardware USB interface). WMB13-868 can operate in a low-power mode. It is widely used in battery-powered metering system.

Wireless M Bus USB Dongle