Mv could mean or “Modulation version” . The decimal 2.227 is very specific.
The "Mv2.227" indicates the specific software or firmware version installed on the device’s module. Firmware acts as the foundational operating system. 4g Lte 5m H43 C50 Mv2.227
The RV50X is an industrial 4G LTE cellular gateway that provides serial and Ethernet connectivity to numerous cellular networks. ( Campbell Scientific AirLink® RV50X Ultra Low Power Rugged 4G (LTE) Router Mv could mean or “Modulation version”