/ 6LoWPANWireless-M-Bus is a radio variant of M-Bus (Wireless M-Bus) is also specified in EN 13757-4.
OMS stands for Open Metering System and is the only European system definition which brings all utility meters (electricity, gas, heat and water, including submetering) into one system. This standard was developed by the industry in order to guarantee an interoperable and future-proof communication. The OMS Group is a syndicate of associations, currently FIGAWA and KNX, and companies that support the aims of the OMS Group. With the Open Metering System Specification they have developed an open, vendor independent standard for communication interfaces and basic requirements.