A customer use H777 for church security team and in the children school area(one channel for each group of people with a radio) the children area uses channel 2 and security uses channel 4, a couple leaders of the church would like to be able to monitor both channels, how to achieve it? Now we study how to set Retevis H777 scan function together
Both H777 and H777S are analog radio, if make them can talk with each other, please keep same frequency and CTCSS/DCS in same channel. Let us detailedly study how to make Retevis talk with H777S?
Retevis H777 upgrade six-way charger introduction  
Retevis H777 upgrade six-way charger introduction Read More »
Retevis H777 is classic model, very high performance price ratio, makes it very hot sellings for years. Some rookies may wanna know how to programme H777?
