The MFJ 841 2 m SWR/power meter has been designed for 2 meter handheld radios with a maximum power rating of 5 Watts. The MFJ 841 uses your own antenna and plugs right between it and your handheld radio. Do not attempt to use it for higher power ratings.
Connector handheld BNC-male, antenna BNC-female.
Dimensions and weight are including packaging