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31  I recently bought a third H777. I checked when I first got it and it seemed to work fine but it has quit transmitting on any channel. How do I return it for replacement? Thank you.
please detail introduce your H777 questions, by the way, tell me your order number
32  Hello guy's. Is the Rt23 able to repeat Uhr to Uhr. for example 400.000mhz to 420.000mhz.?
yes,you can, RT23 range is 400-480Mhz, you can programme in this range
33  I am looking at the RT81 radio as a future purchase. Can you tell me if there is a 14" or longer antenna that will work with this radio? Will any of the ones below work? Also, do you sell a case that will fit the radio? Thank you. UHF 400-480 MHz Long 14.17in SMA-M Antenna for Retevis RT1 RT8 SKU: J9106D SMA-M Elite Antenna U/V Antenna For Retevis RT1/RT2/RT3 SKU: C9030M Long 36cm Dual Band SMA-M Antenna for Retevis SKU: J9107D
Hello Mike, J9106D,C9030M,J9107D, they are compatible with RT81,so you can choose one from them, thanks Brgds
34  In the repeater mode I also would like to use low power to avoid interference with other stations. 1 watt or even less would be ok.
Hello Rainer, Please note: RT23 Minimum power is 4 wattage, so it can't do 1 watt or even less Brgds
35  Y have a RT3, how can y change the language from chinees to Englisch, i cant do it via the menus becourse i cant understand chinees language. many thanks Daniel
Please Download usb driver and RT3 software from Retevis official website:http://www.retevis.com/resources-center/ Then choose “setting” keys, change language, finally writing the radio, attached a pic for your reference
36  I am trying to program new radios and keep getting an error. It says Abnormal reading and writing, check the connections are correct, or walkie-talkie power supply is turned on. I have done everything and checked all connections and nothing works.
Dear Joe, Here's a blog about ‘how to programme RT22’ for you reference http://blog.retevis.com/how-to-programme-rt22/ pls follow the steps to check your programming steps, thanks Best regards
37  Cовместима ли RT22 c BAOFENG UV-5R
Hello Vladimir, RT22 is compatible with BaoFeng UV-5R, do you need RT22 now? pls feel free to contact us, thanks Best regards
38  When using the shoulder microphone, how can I turn off the PTT button on the RT1 to prevent accidental transmission?
Sorry but there is not a button to lock PTT . You could just lock the keyboard .
39  Can not get H 777 software to install on system. windows 10
I'm sorry but could you try it on win8 please ?