All two way radios have a Push-To-Talk button.
This is the button, usually located on the side of the radio, that is held down to make the radio transmit
and then released when the user has finished transmitting and wishes to listen for messages from other radios.Retevis RB45 is an dual PTT walkie talkie, one PTT button on the side, the another one in middle of the radio
RB45: https://www.retevis.com/rb45-dual-ptt-usb-charge-frs-two-way-radio-us
The difference from other mini walkie talkie
There is a conspicuous big PTT button, when press this button, the red light is transmitting, the green light is receiving, the blue light is charging
Why Retevis develop dual PTT walkie talkie?
You may wonder the reason why we develop this walkie talkie, it relates to some application scenarios
Dual PTT walkie talkies are highly versatile devices that can be used in a wide range of industries and applications.They are commonly used in security teams, event management, hospitality, construction sites, and outdoor activities where efficient communication on multiple frequencies is required.
For example, in outdoor adventures like hiking or hunting, one PTT button can be assigned to the main group channel, while the other button is dedicated to emergency or weather updates.
In system of Retevis products, the walkie with dual PTT isn’t very so many
The another one is RT18 walkie talkie, you can learn about RT18 by this article
https://www.twowayradiocommunity.com/retevis-rt18-dual-ptt-walkie-talkie/
RB45, except for it’s a dual PTT walkie talkie, small body, shorter antenna, FRS license-free, and so on, you find these features lies in it as well
RB45 has the EU license-free version RB645, so it can most of customers from the world
https://www.retevis.com/retevis-rb645-dual-ptt-channel-lock-pmr446-portable-radio-eu
Most of resellers love small and mini license-free walkie talkie for business, such hotel, restaurant, and so on, if you’re interested in RB45 walkie talkie, welcome to consult by email, lewis@retevis.com
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