How to build a repeater with two mobile radios?----Retevis RT97P DMR repeater with RT81

When purchasing and trying to build a repeater with two mobile radios, many users face a common problem: not knowing how to properly connect the devices and configure the settings. This can lead to issues such as incorrect setup, failure to connect to the portable repeater, or unstable signal. Today, we’ll walk you through how to connect the RT81 with the RT97P repeater, ensuring that you can easily set up and optimize your wireless communication system. 

RT81 is our high quality business digital two way radios, customer usually want to have longer talking range , so repeater will be a good choice, Here’s how to connect the RT81 with the RT97P DMR repeaters. 

You need make sure your RT81 version, and download the right software. You can download from the RT81 website page-under "Support", Same as RT97P.

After you install the software of the RT81 and RT97P, please make sure:

a. The TX and RX must be opposite with RT97P at the same channel (the channel you want to use with repeater)

repeater is TX 444.625 RX449.625, the RT81 must be RX 444.625 TX449.625

b. RT81 channel need to be at digital mode, and choose same color code and slot with the repeater.

c. In the same channel, the RT81 work mode need to choose " Relay"

d. The settings between RT81S at same channel must choose the same group list and contacts.

e. RT97P repeater also can choose digital mode and analog mode, or both analog and digital mode, you can set analog channels also use with the repeater.  If you need more information about Retevis repeater, welcome to contact us.

If you have any questions or need further assistance, please don’t hesitate to reach out. You can easily check the details here: RT97P and RT81 radio.