AdvertiseGB · GBP
tech21two-way radios, compared
  1. tech21
  2. Compare
  3. MateTalk C66B vs RT86S

Retevis MateTalk C66B vs Retevis RT86S

What MateTalk C66B does better (0) and where RT86S wins (2) — every spec side by side.

Retevis MateTalk C66B
Retevis · 2026MateTalk C66B
4.8Score
0 advantages≈ £45
vs
Retevis RT86S
Retevis · 2026RT86S
6.7Score
2 advantages≈ £70
Higher score
2.6Range & power2.5
4.9Battery8.7
7.8Features8.0
Dimensions

Size comparison

MateTalk C66BRT86S
138 × 5838121 × 5538
MateTalk C66BRT86SDifference
Height58 mm55 mm+3 mm
Width138 mm121 mm+17 mm
Depth38 mm38 mm=

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

Why is MateTalk C66B better than RT86S?

MateTalk C66B has no measurable advantages in this pair.

Why is RT86S better than MateTalk C66B?

  1. Battery capacity1,500 mAh vs 2,600 mAh+73%
  2. Standby time71 h vs 117 h+65%
Specifications

Side by side

Retevis RT86SRetevis RT86S≈ £706.7
Radio & range
Radio standardsAmateur VHF, Amateur UHFAmateur UHF
LicenceAmateur licenceAmateur licence
Dual band (VHF + UHF)Yes—
Frequency ranges440 - 470 MHz; 146 - 174 MHz400 - 480 MHz
Transmit power5 W5 W
Channels1616
Maximum range (claimed)3 km—
Privacy codes (CTCSS / DCS)260260
CTCSS / DCS sub-tonesYesYes
Squelchadjustableadjustable
Power & battery
Battery capacity1,500 mAh2,600 mAh
Battery voltage7.4 V7.4 V
Power sourceRechargeable packRechargeable pack
USB-C chargingYesYes
Standby time71 h117 h
Battery level indicatorYesYes
Design & durability
Weight—290 g
Width138 mm121 mm
Height58 mm55 mm
Depth38 mm38 mm
ShockproofYesYes
DisplayBacklit displayBacklit display
ColoursOrangeBlack
Features
VOX (hands-free)YesYes
VOX sensitivity levels109
Channel scanYesYes
Flashlight—Yes
Emergency / SOS alarmYes—
Key lockYesYes
Roger beepYesYes
Monitor buttonYes—
Voice encryption / scramblerYes—
PC programmableYesYes
Connectivity
Headset / earpiece jackYesYes
ConnectorsUSB-CUSB-C, 2,5 und 3,5 mm
To compare: 0up to 4 models
Compare