{"product_id":"comet-cat-273-vhf-uhf-antenna-tuner-swr-power-meter","title":"Comet CAT-273 VHF\/UHF Manual Antenna Tuner \u0026 SWR Power Meter","description":"\u003ch2\u003eComet CAT-273 VHF\/UHF Antenna Tuner \u0026amp; SWR Power Meter\u003c\/h2\u003e\n\u003cp\u003eThe Comet CAT 273 combines manual antenna matching with a cross-needle SWR and power meter for the 2m and 70cm amateur bands. Independent VHF and UHF inputs and outputs allow separate antenna systems to be connected.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSimultaneous forward power, reflected power and SWR display.\u003c\/li\u003e\n\u003cli\u003eSeparate tuning controls for each band.\u003c\/li\u003e\n\u003cli\u003eAverage and peak envelope power (AVG\/PEP) selection.\u003c\/li\u003e\n\u003cli\u003eIlluminated meter with external DC supply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e CAT-273\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuning frequency:\u003c\/strong\u003e 144–146 MHz \/ 430–440 MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated power:\u003c\/strong\u003e 250W FM maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeter ranges:\u003c\/strong\u003e 60W \/ 300W; the 300W scale is not the power rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput impedance:\u003c\/strong\u003e 50 ohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching range:\u003c\/strong\u003e 15–200 ohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum power for SWR measurement:\u003c\/strong\u003e 6W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e Four SO239 sockets: VHF input\/output and UHF input\/output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination supply:\u003c\/strong\u003e 11–15V DC, approximately 250mA, centre positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W × H × D):\u003c\/strong\u003e 218 × 93 × 120mm; 218 × 98 × 152mm including projections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 1.4kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTuning\u003c\/h3\u003e\n\u003cp\u003eUse 6–10W while adjusting the tuner, following Comet’s operating instructions.\u003c\/p\u003e","brand":"Comet","offers":[{"title":"Default Title","offer_id":58910872731992,"sku":"MOON-48-504","price":249.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/comet_cat273_1.png?v=1792756593","url":"https:\/\/kamsat.co.uk\/products\/comet-cat-273-vhf-uhf-antenna-tuner-swr-power-meter","provider":"Kamsat","version":"1.0","type":"link"}