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LY4SA My guess - VHF and UHF are nor filtered by switch and goes through while HF is filtered by internal circuit. Open your SDR switch and try to move short black jumper to other position then it is now. Hope this helps

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Q: how many mile range?

gefragt von Augustus auf 2023-06-14 05:40:29

LY4SA Depends on conditions where you use it and what frequency. For 2m band you have to be licensed HAM. For PMR I've tested in urban conditions and it is about 2km

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Q: what is the yellow wire used for?

gefragt von cliff auf 2023-04-13 10:32:14

LY4SA connector with 3 wires: black - negative, red - power for module, yellow - positive voltage to measure

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Q: does it have CE mark?

gefragt von enrt69 auf 2023-03-28 18:18:29

LY4SA Just checked mine and have not found any CE marking

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LY4SA true measured power out is about 7-9W. Battery capacity is very large and enough for a long time, I don't think you need spare batteries, but it's up to you.

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LY4SA Try to search headphones for Radtel RT-470. They are twin brothers with 8800

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Q: Which Headphones are compatible for JIANPAI 8800 ?

gefragt von stavai auf 2022-10-29 12:05:36

LY4SA There are no special headphone set for this model, but there are many compatible model from wireless solution to simple headsets and many other compatible with baofeng or Radtel RT-490

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