Comparison of Retevis H-777, Retevis RT21, H-777S Retevis RT21 is have the CTCSS and DCS function, Retevis RT21 work well for all various business, and it will have the good performance for hotel,church,restaurant,school,construction site and other business. The belt clip of RT21 is relatively large than these,Every radio have their belt clip and switch the […]
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The necessary condition for Retevis H-777, RT21 and RT-5R compatible is same frequency and same CTCSS. H-777:400-470MHz UHF analog radio RT21:400-480MHz FRS analog walkie talkies RT-5R:136-174/400-520MHz dual band keypad programmable hand-held transceiver Therefore, there is a common frequency range between the three of them. By programming them, they will be changed to same frequency and
Do you need License-free Loudspeaker two way radio? License-free Loudspeaker two way radio brief introduction RB36 The intercom loudspeaker integrates walkie-talkie and loudspeaker functions together. It can talk to the walkie-talkie through the frequency writing. It is equipped with a large-power speaker and the sound can cover a large area. It is suitable for factory workshops, school
New Arrival!Retevis released a mini but powerful analog repeater, Retevis RT97. Which is economical in price, but powerful in communication range increasing.
Retevis walkie-talkie shortcut key Summary 1. H777 shortcut key Switch between Chinese and English: Set up in 15 channel, press PTT+ monitor to Turn on the radio. Voice on / off: Set up in 10 channel, press PTT+ monitor key to Turn on the radio. Note: the default voice is opened, the voice prompt, after closed, no