Check the listing for details. Retevis Retevis RB91 Long Range Digital UHF Repeater. Color: Black, Condition: New. Listed at 199.99 USD. Retevis RB91 Long Range Digital UHF Repeater For Extending the Signal Coverage Retevis RB91 wall-mounted digital UHF repeater has strong penetrating power, which can enhance the signal and expand the signal coverage. It has a built-in 15000mAh battery, which can achieve 7 days of standby. It can work with RB24 handheld radio as a low power consumption and long-distance solution for basements, subways, tunnels and other areas with weak signals. Extend the Distance RB91 UHF repeaters can connect with multiple RB91 to achieve long-distance solution. It can also help the RB24 UHF 2 way radio break through the extreme communication distance and easily achieve long-distance calls. Ultra-Long Battery Life Equipped with a 15000mAh battery, the base station provides a standby time of 7 days and a working time of 10 hours. This ensures that the base station can be used throughout the day without the need for frequent charging. Support Solar Charging Retevis RB91 repeater not only supports regular AC charging but also supports solar charging via a 12V (solar) charging port, which is perfect for field settings where electrical power is non-existent or unreliable. Super Penetration The RB91 digital repeater features strong penetration and realizes ultra-long distance reception. It performs well in different scenarios, such as rescue support and subways, buildings, and tunnels. Easy to Pair The RB91 base station and RB24 two way radios can be connected out of the box without complex setup, which is easy to use. (RB91 base station is only compatible with RB91 repeater and RB24 digital handheld radio.) What’s in the Box？ 1 x RB91 Repeater 1 x RB91 User Manual 1 x Set of Screws ● 16 Channels (400-470MHz) ● Repeater Connecting Set ● Voice Prompts ● Channel Adjustment ● Fast Programming ● Current Channel Prompt ● Low Battery Audible Alert ● Launch Beep ● All Call ● Solar Charging About us