How to programme Retevis RT9000D

How to programme Retevis RT9000D Retevis RT9000D is one of Mobile Car Ham Radio Transceiver, which support VHF and UHF Frequency range, VHF: 66-88/136-174/220-260Mhz and UHF:400-490MHz, Also bigger power at 10-60w. Communicate distance is very longer. Same radio model no. is with same default settings. For Retevis RT9000D, just switch 2 new radios in same channel,…

Working principle of Retevis RT9550 repeater

Working principle of Retevis RT9550 repeater   Retevis RT9550 repeater expand of the radio signal transmission distance by resending or forwarding the radio signal. Retevis RT9550 Repeater main work principle: a high-sensitivity receiver is responsible for receiving signals from different stations at a frequency point, and at the same time, a high-power transmitter is used another frequency…

Retevis RT40 lone worker functions

Retevis RT40 lone worker functions Working alone is a person used the alarm mode when the people ACTS alone. That can set up a time  must to press the PTT to report the situation. If not press the PTT to communicate when reach the setted time, then it is deemed to have an accident and will automatically…

Retevis H777 compare with RT7

Retevis H777 compare with RT7 Let’s we check the Retevis H777 compare with RT7, this two radio is very deeply loved by the majority of users. But where is the difference? Retevis H777, SKU: A9104A, Much people love it, that because: 1.It’s function can meet the must requirement and is easy to operation. 2.It is…

Retevis Holds The First Badminton Match

Retevis outdoor activities will be more and more in further In order to enhance the comity cooperation,and to keep the balance between health and work,SHENZHEN RETEVIS TECHNOLOGY CO.,LTD holds the first babminton friendly match on 10th,June,2017 in Shenzhen.The Development and Administration two deparments participate in this match. This match is divided into Group match and knockout match,total…