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1  I have reprogrammed my new 777s but they will only work with squelch set to 0. As soon as I raise squelch to 1 they will not transmit to each other at all. This is with or without CTCSS. Press MONITOR and they work. Sadly I did not save the original data or test them before reprogramming.
Hello Pual, I will send email to you later,please notice check it Brgds
2  Salve, ho acquistato retevis h-777 , vorrei sapere le frequenze al quale viene impostata la radio di fabbrica sui diversi canali, se potente inviarmi un elenco. Potente indicarmi se è presente un canale utilizzabile liberamente in Italia ? Grazie Luca
H777 Factory Default Frequency is as the picture showed -- And PMR446 Frequencies are legal on your country ,they are
3  Hi, I have 3 questions Context We run a hunting business in South Africa on a 10 000ha property (Approx. 13km long x 7km wide). We have 15 x H-777 radios and will be purchasing another 5 (Total 15 x Radio's). Problems: Due to the size of the property + obstructions like hills etc. I would like to relay the comms. from the top of 2 hills to cover the full extent of the property. Q1 - How do I extend the coverage on the property? Repeaters x 2? Power source on top hill (Solar Panel + Battery type)? Antenna's? (What does the product term "Gain" mean? Adapters & cables? Context At the moment we use Channel 1 for All Stations, Channel 2 for Staff, Channel 3 for Hunters. Will the repeater relay the message from 1specific channel via repeater to all other channels? ... or only to Channel 1 on the other radio's? Q2 - I'd like a fixed radio + cable + roof antenna for the Main House and Hunting Lodge. These houses are at bottom of valley +-2.5km away from each other.
Hello James, According to your description, recommending Retevis RT1 to you: Feature: High-power 10W, The communication distance farther High-capacity battery, Long standby time The Scrambler to ensure the communication confidentiality Two Antenna (High gain antenna and Common antenna),Increase your distance This is RT1 Retevis official website link:http://www.retevis.com/rt1-walkie-talkie-real-10w-1750hz-vox-scrambler-uhf-vhf-two-way-radio/ Brgds
4  Witch Channel Spacing does the H777 Radio use? Is it switchable? For example 12,5/25khz? Can I use the programming cable from the RT1 Radio? Best regards, Sven
Hello, Sven,thank you for your question you mean the Wide/Narrow Band(25kHz/12.5kHz)? can switchable, you need down load H777 usb driver and software from our official website: http://www.retevis.com/resources-center/ Yes , RT1 Radio and H777 can use the same programming cable. Regards
5  Can not get H 777 software to install on system. windows 10
I'm sorry but could you try it on win8 please ?