AdvertiseGB · GBP
tech21two-way radios, compared
  1. tech21
  2. Compare
  3. ADAC Entdecker Fungerät vs RT668

Happy People ADAC Entdecker Fungerät vs Retevis RT668

What ADAC Entdecker Fungerät does better (0) and where RT668 wins (1) — every spec side by side.

Happy People ADAC Entdecker Fungerät
Happy People · 2026ADAC Entdecker Fungerät
0 advantages≈ £25
vs
Retevis RT668
Retevis · 2026RT668
4.6Score
1 advantage≈ £25
Higher score
2.5Range & power5.5
Dimensions

Size comparison

ADAC Entdecker FungerätRT668
150 × 50535116 × 5035
ADAC Entdecker FungerätRT668Difference
Height50 mm50 mm=
Width150 mm116 mm+34 mm
Depth535 mm35 mm+500 mm

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

Why is ADAC Entdecker Fungerät better than RT668?

ADAC Entdecker Fungerät has no measurable advantages in this pair.

Why is RT668 better than ADAC Entdecker Fungerät?

  1. Channels6 vs 162.7×
Specifications

Side by side

Retevis RT668Retevis RT668≈ £254.6
Radio & range
Radio standardsPMR446PMR446
LicenceLicence-freeLicence-free
Digital mode (DMR / dPMR)NoNo
Frequency ranges446 MHz446 MHz
Transmit power0.5 W0.5 W
Channels616
Maximum range (claimed)5 km—
CTCSS / DCS sub-tones—Yes
Squelchautomaticadjustable
Power & battery
Battery capacity—1,200 mAh
Battery voltage—3.7 V
Power sourceRechargeable pack, AA / AAA batteriesRechargeable pack
Runs on AA/AAA batteries tooYes—
USB-C charging—No
Battery level indicator—Yes
Design & durability
Weight—161 g
Width150 mm116 mm
Height50 mm50 mm
Depth535 mm35 mm
Shockproof—Yes
DisplayNo displayNo display
ColoursBlack, Yellow—
Features
VOX (hands-free)—Yes
Channel scan—Yes
Monitor button—Yes
Voice encryption / scrambler—Yes
PC programmable—Yes
Connectivity
Headset / earpiece jack—Yes
Connectors—2,5 und 3,5 mm
To compare: 0up to 4 models
Compare