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  3. RB648 Plus vs BF 40

Retevis RB648 Plus vs Stabo BF 40

What RB648 Plus does better (2) and where BF 40 wins (2) — every spec side by side.

Retevis RB648 Plus
Retevis · 2026RB648 Plus
6.6Score
2 advantages≈ £70
Higher score
vs
Stabo BF 40
Stabo · 2025BF 40
4.6Score
2 advantages≈ £100
4.6Range & power2.5
7.7Battery5.8
6.3Ruggedness3.5
Dimensions

Size comparison

RB648 PlusBF 40
206 × 336057 × 11632
RB648 PlusBF 40Difference
Height33 mm116 mm−83 mm
Width206 mm57 mm+149 mm
Depth60 mm32 mm+28 mm

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

Why is RB648 Plus better than BF 40?

  1. Water protection (IPx)IPx7 vs IPx4+75%
  2. Transmit power5 W vs 3 W+67%

Why is BF 40 better than RB648 Plus?

  1. Channels16 vs 25616×
  2. Battery capacity2,000 mAh vs 2,200 mAh+10%
Specifications

Side by side

Stabo BF 40Stabo BF 40≈ £1004.6
Radio & range
Radio standards—Amateur UHF
Licence—Business licence
Dual band (VHF + UHF)Yes—
Frequency ranges400 - 480 MHz400 - 470 MHz
Transmit power5 W3 W
Channels16256
Maximum range (claimed)5 km—
Privacy codes (CTCSS / DCS)155155
CTCSS / DCS sub-tonesYesYes
Squelch—adjustable
Call tones10—
Power & battery
Battery capacity2,000 mAh2,200 mAh
Battery voltage7.4 V3.7 V
Power sourceRechargeable packRechargeable pack
USB-C chargingYes—
Battery level indicatorYesYes
Design & durability
Weight—168 g
Width206 mm57 mm
Height33 mm116 mm
Depth60 mm32 mm
Protection ratingIP67IP54
Water protection (IPx)IPx7IPx4
ShockproofYes—
DisplayBacklit display—
ColoursYellowBlack
Features
VOX (hands-free)Yes—
VOX sensitivity levels9—
Channel scanYesYes
Dual watch—Yes
Emergency / SOS alarmYesYes
Key lockYes—
Monitor buttonYes—
Connectivity
ConnectorsUSB-C—
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