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  3. RT-880 vs RB648 Plus

Radtel RT-880 vs Retevis RB648 Plus

What RT-880 does better (3) and where RB648 Plus wins (0) — every spec side by side.

Radtel RT-880
Radtel · 2025RT-880
9.6Score
3 advantages≈ £75
Higher score
vs
Retevis RB648 Plus
Retevis · 2026RB648 Plus
6.6Score
0 advantages≈ £70
8.5Range & power4.6
8.7Battery7.7

Why is RT-880 better than RB648 Plus?

  1. Transmit power10 W vs 5 W2×
  2. Battery capacity2,400 mAh vs 2,000 mAh+20%
  3. Channels1,024 vs 1664×

Why is RB648 Plus better than RT-880?

RB648 Plus has no measurable advantages in this pair.

Specifications

Side by side

Radtel RT-880Radtel RT-880≈ £759.6
Radio & range
Radio standardsCB 27 MHz—
LicenceLicence-free—
Dual band (VHF + UHF)YesYes
Frequency ranges64–108 MHz, 18–620 MHz, 18–32 MHz, 136–174 MHz400 - 480 MHz
Transmit power10 W5 W
Channels1,02416
Maximum range (claimed)—5 km
Privacy codes (CTCSS / DCS)—155
CTCSS / DCS sub-tonesYesYes
Call tones—10
Power & battery
Battery capacity2,400 mAh2,000 mAh
Battery voltage7.4 V7.4 V
Power sourceRechargeable packRechargeable pack
USB-C chargingYesYes
Battery level indicatorYesYes
Design & durability
Width—206 mm
Height—33 mm
Depth—60 mm
Protection rating—IP67
Water protection (IPx)—IPx7
ShockproofYesYes
DisplayBacklit displayBacklit display
ColoursGreyYellow
Features
VOX (hands-free)YesYes
VOX sensitivity levels—9
Channel scanYesYes
Emergency / SOS alarm—Yes
Key lockYesYes
Roger beepYes—
Monitor buttonYesYes
Voice encryption / scramblerYes—
Connectivity
ConnectorsUSB-CUSB-C
Radios in the base pack1—
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