The MFJ-924 440 MHz VHF Antenna Tuner covers 440 MHz. Its built-in
SWR/Wattmeter measures SWR in 2 power ranges -- 300 or 30 Watts. The meter is usable for the 440 MHz band. It will give you low SWR with practically any antenna.

The MFJ-924 is designed to match a wide range of impedances for both mobile/base operation. It will handle up to 200 Watts of output power. The antenna tuner has SO-239 input/output connectors, wing nut post ground. It has an eggshell white
and black aluminum cabinet -- it fits just about anywhere!