The CRT Space U is a compact and capable UHF mobile transceiver, packing up to 17W of output power into a slim 10.5 x 10.5 x 2.5 cm chassis. With 199 memory channels, full CTCSS/DCS encode and decode, relay mode support, and PC programmability, it's an ideal choice for amateur radio operators and professional users looking for a reliable, space-saving mobile radio. Key Features FM mode: Wide & Narrow band Selectable output power: 17W (High) / 10W (Mid) / 5W (Low) 199 programmable memory channels Frequency range: 400–470 MHz (RX/TX, PC programmable) Channel spacing: 12.5 kHz / 25 kHz CTCSS (51 tones) & DCS (1024 codes) encode/decode with scan function Relay mode / Offset / Split frequency support Adjustable squelch to eliminate background noise Micro gain adjustment via menu CTCSS/DCS scan, TOT, BCLO, Reverse, Talk Around & APO functions Ultra-compact design: 10.5 x 10.5 x 2.5 cm Technical Specifications Mode: FM (Wide / Narrow) Frequency: 400–470 MHz Output power: 17W / 10W / 5W Channels: 199 Channel spacing: 12.5 / 25 kHz Frequency steps: 2.5 / 5 / 6.25 / 10 / 12.5 / 20 / 25 / 30 / 50 kHz CTCSS: 51 tones | DCS: 1024 codes Dimensions: 10.5 x 10.5 x 2.5 cm