AdvertiseGB · GBP
tech21two-way radios, compared
  1. tech21
  2. Compare
  3. UBZ-LJ9SET vs RB669

Kenwood UBZ-LJ9SET vs Retevis RB669

What UBZ-LJ9SET does better (2) and where RB669 wins (2) — every spec side by side.

Kenwood UBZ-LJ9SET
Kenwood · 2022UBZ-LJ9SET
4.0Score
2 advantages≈ £30
vs
Retevis RB669
Retevis · 2025RB669
9.4Score
2 advantages≈ £35
Higher score
4.3Range & power9.4
6.0Battery5.9
Dimensions

Size comparison

UBZ-LJ9SETRB669
52 × 15728158 × 5733
UBZ-LJ9SETRB669Difference
Height157 mm57 mm+100 mm
Width52 mm158 mm−106 mm
Depth28 mm33 mm−5 mm
Weight138 g148 g−10 g

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

Why is UBZ-LJ9SET better than RB669?

  1. DisplayBacklit display vs No display
  2. Weight138 g vs 148 g+7%

Why is RB669 better than UBZ-LJ9SET?

  1. Transmit power0.5 W vs 1 W2×
  2. Battery capacity1,150 mAh vs 1,200 mAh+4%
Specifications

Side by side

Retevis RB669Retevis RB669≈ £359.4
Radio & range
Radio standardsPMR446PMR446, Freenet
LicenceLicence-freeLicence-free
Digital mode (DMR / dPMR)NoNo
Frequency ranges446 MHz446 MHz; 149 MHz
Transmit power0.5 W1 W
Channels1616
Maximum range (claimed)6 km—
Privacy codes (CTCSS / DCS)—260
CTCSS / DCS sub-tonesYesYes
Squelchadjustableadjustable
Call tones20—
Power & battery
Battery capacity1,150 mAh1,200 mAh
Battery voltage3.7 V3.7 V
Power sourceRechargeable packRechargeable pack
USB-C chargingYesYes
Standby time—30 h
Battery level indicatorYesYes
Design & durability
Weight138 g148 g
Width52 mm158 mm
Height157 mm57 mm
Depth28 mm33 mm
Protection ratingIP32—
Water protection (IPx)IPx2—
DisplayBacklit displayNo display
ColoursBlack, YellowBlack
Features
VOX (hands-free)YesYes
VOX sensitivity levels3—
Channel scanYesYes
Roger beepYes—
Monitor buttonYesYes
Connectivity
Headset / earpiece jackYes—
ConnectorsUSB-C, 2,5 und 3,5 mmUSB-C
Radios in the base pack2—
To compare: 0up to 4 models
Compare