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  3. Space-U vs RT-820W

CRT Space-U vs Radtel RT-820W

What Space-U does better (1) and where RT-820W wins (2) — every spec side by side.

CRT Space-U
CRT · 2026Space-U
1 advantage≈ £65
vs
Radtel RT-820W
Radtel · 2026RT-820W
2 advantages≈ £85
8.4Range & power8.3

Why is Space-U better than RT-820W?

  1. DisplayBacklit display vs Monochrome display

Why is RT-820W better than Space-U?

  1. Transmit power17 W vs 20 W+18%
  2. Channels199 vs 5002.5×
Specifications

Side by side

CRT Space-UCRT Space-U≈ £65
Radio & range
Radio standardsAmateur UHFVHF, UHF
LicenceAmateur licenceAmateur licence
Digital mode (DMR / dPMR)—Yes
Dual band (VHF + UHF)—Yes
Frequency ranges400 - 470 MHz136–174 MHz, 400–470 MHz
Transmit power17 W20 W
Channels199500
Privacy codes (CTCSS / DCS)1,076—
CTCSS / DCS sub-tonesYesYes
Squelchadjustable—
Power & battery
Power sourceCar socket—
USB-C chargingNo—
Design & durability
Weight434 g—
Width105 mm—
Height105 mm—
Depth25 mm—
DisplayBacklit displayMonochrome display
ColoursBlack—
Features
VOX (hands-free)—Yes
Channel scanYes—
Emergency / SOS alarm—Yes
Key lockYes—
PC programmable—Yes
Connectivity
Headset / earpiece jackYes—
Connectors3,5mm Klinke—
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