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  3. Space-V vs RB658

CRT Space-V vs Retevis RB658

What Space-V does better (1) and where RB658 wins (2) — every spec side by side.

CRT Space-V
CRT · 2025Space-V
1 advantage≈ £65
vs
Retevis RB658
Retevis · 2025RB658
4.5Score
2 advantages≈ £50
Higher score
8.2Range & power2.2
Dimensions

Size comparison

Space-VRB658
105 × 10525115 × 5627
Space-VRB658Difference
Height105 mm56 mm+49 mm
Width105 mm115 mm−10 mm
Depth25 mm27 mm−2 mm
Weight434 g185 g+249 g

Drawn to the same scale from the official dimensions (front and side).

Why is Space-V better than RB658?

  1. Transmit power17 W vs 2 W8.5×

Why is RB658 better than Space-V?

  1. Weight434 g vs 185 g2.3×
  2. USB-C chargingNo · Space-V: Yes
Specifications

Side by side

CRT Space-VCRT Space-V≈ £65
Retevis RB658Retevis RB658≈ £504.5
Radio & range
Radio standardsAmateur VHFAmateur UHF
LicenceAmateur licenceAmateur licence
Dual band (VHF + UHF)—Yes
Frequency ranges136 - 174 MHz440 - 470 MHz
Transmit power17 W2 W
Channels199—
Privacy codes (CTCSS / DCS)1,076—
CTCSS / DCS sub-tonesYes—
Squelchadjustable—
Power & battery
Battery capacity—1,800 mAh
Battery voltage—3.7 V
Power sourceCar socketRechargeable pack
USB-C chargingNoYes
Battery level indicator—Yes
Design & durability
Weight434 g185 g
Width105 mm115 mm
Height105 mm56 mm
Depth25 mm27 mm
Protection rating—IP54
Water protection (IPx)—IPx4
DisplayBacklit displayBacklit display
ColoursBlackBlack
Features
VOX (hands-free)—Yes
VOX sensitivity levels—9
Channel scanYes—
Emergency / SOS alarm—Yes
Key lockYesYes
PC programmable—Yes
Connectivity
Headset / earpiece jackYesYes
Connectors3,5mm KlinkeUSB-C, 2,5 und 3,5 mm
Bluetooth—Yes
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