4pcs Rpm Radio Swr Watt Meter American Mfj Standing Wave Meter Vu Meter Radio Station Power Meter Transmitter With Backlight - Home Theater Amplifiers - AliExpress
MFJ-864 HF UHF VHF Cross-Needle SWR Power Meter Wattmeter (good condition) | eBay
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MFJ-880, X SWR/WATTMETER, 1.6-60 MHz, 2kW - Radiohaus America
MFJ-864 HF UHF VHF Cross-Needle SWR Power Meter Wattmeter (good condition) | eBay