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  3. PR-T1 vs RB637

Radioddity PR-T1 vs Retevis RB637

What PR-T1 does better (0) and where RB637 wins (1) — every spec side by side.

Radioddity PR-T1
Radioddity · 2026PR-T1
5.9Score
0 advantages≈ £35
Higher score
vs
Retevis RB637
Retevis · 2026RB637
5.8Score
1 advantage≈ £35
5.4Range & power2.3
4.9Battery7.1

Why is PR-T1 better than RB637?

PR-T1 has no measurable advantages in this pair.

Why is RB637 better than PR-T1?

  1. Battery capacity1,500 mAh vs 2,000 mAh+33%
Specifications

Side by side

Radioddity PR-T1Radioddity PR-T1≈ £355.9
Retevis RB637Retevis RB637≈ £355.8
Radio & range
Radio standardsPMR446PMR446
LicenceLicence-freeLicence-free
Digital mode (DMR / dPMR)NoNo
Frequency ranges446 MHz446 MHz
Transmit power0.5 W0.5 W
Channels1616
Maximum range (claimed)—2 km
Privacy codes (CTCSS / DCS)104—
CTCSS / DCS sub-tonesYes—
Squelchadjustable—
Call tones10—
Power & battery
Battery capacity1,500 mAh2,000 mAh
Battery voltage3.7 V3.7 V
Power sourceRechargeable packRechargeable pack
USB-C chargingNoNo
Battery level indicatorYesYes
Design & durability
Weight120 g—
Width170 mm—
Height50 mm—
Depth28 mm—
Shockproof—Yes
DisplayBacklit display—
ColoursBlackBlack
Features
VOX (hands-free)YesYes
VOX sensitivity levels5—
Dual watchYes—
FlashlightYesYes
FM radioYes—
Key lockYes—
Monitor buttonYes—
PC programmableYes—
Connectivity
Headset / earpiece jackYesYes
Connectors3,5mm Klinke, micro USB2,5 und 3,5 mm
Radios in the base pack2—
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