Retevis RT87 is a pretty dual-band handheld radio, which is IP67 waterproof and has many impressive functions, such as 128 memory channels, DTMF MSK Tone, FM radio, scramble function etc. What’s more convenient is that the keyboard, can program easily without the computer. It has a communication range of 2 miles to 3 miles. If you want to extend the handheld radio range, or the distance you want to reach is too far to receive or transmit, consider using it with a repeater, such as RT97 Repeater.
RT97 is a mini portable repeater, which has the full-duplex mode, with the ability to transmit and receive at the same time. RT97 can be powered by DC12V~24V power, car power and solar battery. It is ideal for solar-powered repeater sites where low power and a small footprint are required.
Various versions of RT97 repeater
RT97 repeater has four versions on the website for option:
① UHF fixed frequency version:(UHF/ TX frequency:463.3125MHz，RX frequency:453:3125MHz,offset:10MHz);
② VHF fixed frequency version:(VHF/ TX frequency:162.6125MHz，RX frequency:152.6125MHz,offset:10MHz);
③ GMR frequency version:(GMRS/ TX：462.5500/RX：467.5500 MHz,8 Channel);
④ Customizable frequency version: [TX frequency and RX frequency can be customized between UHF (400-470MHZ) or VHF(136-174MHZ). Offset: >5MHz].
You can choose the appropriate version according to your communication environment.
How to Set RT87 to work with RT97?
You need to do:
1. Get your RT97 input frequency and output frequency and CTCSS/DCS code.
2. Set your radio RT87’s TX frequency and RX frequency and the CTCSS/DCS code.
RT97 input frequency = RT87 TX frequency
RT97 output frequency=RT87 RX frequency
If you set the CTCSS/DCS code, please make sure the RT97 repeater’s input code same with the RT87 radio’s TX code.
Thank you for reading this blog! If you have any questions, please leave your comments below. We are looking forward to your comments!
Related Blog: PORTABLE RADIO REPEATER RT97, RT97S AND RT97P