Designed from the ground up for the absolute lowest possible power consumption, the RELM/BK SMX921 features the lowest current draw of any professional high-performance repeater/base station among comparable products in today's marketplace.

Advanced circuit design and optimization enable extraordinary RF performance few competing products can provide whatever their power consumption.

Lowest power consumption enables unique solar power option (58 mA)
148-174 MHz VHF, 400-520 MHz UHF, multiple ranges
255 channels
System product - continuous duty
13.8 volts DC or 110 volts AC - low power consumption, optional battery back-up
1-50 watts programmable RF power
Flex-Mode per-channel narrowband/wideband channel spacing
Built-in test equipment (BITE)
Internal duplexer option
More software control of main board functions, elimination of manual pots and jumpers
Simple set-up, plug and play