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Retevis RT86S vs TIDRADIO TD-638

What RT86S does better (2) and where TD-638 wins (1) — every spec side by side.

Retevis RT86S
Retevis · 2026RT86S
6.7Score
2 advantages≈ £70
vs
TIDRADIO TD-638
TIDRADIO · 2026TD-638
8.6Score
1 advantage≈ £65
Higher score
2.5Range & power7.7
8.7Battery8.3
8.0Features3.5

Why is RT86S better than TD-638?

  1. Battery capacity2,600 mAh vs 2,500 mAh+4%
  2. DisplayBacklit display vs Monochrome display

Why is TD-638 better than RT86S?

  1. Transmit power5 W vs 10 W2×
Specifications

Side by side

Retevis RT86SRetevis RT86S≈ £706.7
TIDRADIO TD-638TIDRADIO TD-638≈ £658.6
Radio & range
Radio standardsAmateur UHFVHF, UHF
LicenceAmateur licenceAmateur licence
Dual band (VHF + UHF)—Yes
Frequency ranges400 - 480 MHz136–174 MHz, 220–259 MHz, 300–390 MHz, 400–590 MHz
Transmit power5 W10 W
Channels16—
Privacy codes (CTCSS / DCS)260—
CTCSS / DCS sub-tonesYes—
Squelchadjustable—
Power & battery
Battery capacity2,600 mAh2,500 mAh
Battery voltage7.4 V—
Power sourceRechargeable pack—
USB-C chargingYes—
Standby time117 h—
Battery level indicatorYes—
Design & durability
Weight290 g—
Width121 mm—
Height55 mm—
Depth38 mm—
Protection rating—IP67
Water protection (IPx)—IPx7
ShockproofYes—
DisplayBacklit displayMonochrome display
ColoursBlack—
Features
VOX (hands-free)Yes—
VOX sensitivity levels9—
Channel scanYesYes
FlashlightYes—
Weather channels / alerts—Yes
FM radio—Yes
Key lockYes—
Roger beepYes—
Voice encryption / scrambler—Yes
GPS—Yes
PC programmableYes—
Connectivity
Headset / earpiece jackYes—
ConnectorsUSB-C, 2,5 und 3,5 mm—
Bluetooth—Yes
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