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  3. RT-S10 vs TD-638

Radtel RT-S10 vs TIDRADIO TD-638

What RT-S10 does better (1) and where TD-638 wins (0) — every spec side by side.

Radtel RT-S10
Radtel · 2026RT-S10
8.6Score
1 advantage≈ £60
Higher score
vs
TIDRADIO TD-638
TIDRADIO · 2026TD-638
8.6Score
0 advantages≈ £65
6.8Range & power7.7
7.8Battery8.3
7.6Ruggedness7.6
8.2Features3.5

Why is RT-S10 better than TD-638?

  1. DisplayColour display vs Monochrome display

Why is TD-638 better than RT-S10?

TD-638 has no measurable advantages in this pair.

Specifications

Side by side

Radtel RT-S10Radtel RT-S10≈ £608.6
TIDRADIO TD-638TIDRADIO TD-638≈ £658.6
Radio & range
Radio standardsVHF, UHFVHF, UHF
LicenceAmateur licenceAmateur licence
Digital mode (DMR / dPMR)Yes—
Dual band (VHF + UHF)YesYes
Frequency ranges136–174 MHz, 400–480 MHz, 76–108 MHz, 108–136 MHz136–174 MHz, 220–259 MHz, 300–390 MHz, 400–590 MHz
Transmit power10 W10 W
Channels199—
CTCSS / DCS sub-tonesYes—
Power & battery
Battery capacity2,500 mAh2,500 mAh
USB-C chargingYes—
Design & durability
Protection ratingIP67IP67
Water protection (IPx)IPx7IPx7
DisplayColour displayMonochrome display
Features
VOX (hands-free)Yes—
Channel scanYesYes
Dual watchYes—
Emergency / SOS alarmYes—
Weather channels / alerts—Yes
FM radioYesYes
Monitor buttonYes—
Noise reductionYes—
Voice encryption / scrambler—Yes
GPS—Yes
PC programmableYes—
Connectivity
BluetoothYesYes
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