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  3. CDM-550H vs DB25-D Mini

Kydera CDM-550H vs Radioddity DB25-D Mini

What CDM-550H does better (0) and where DB25-D Mini wins (1) — every spec side by side.

Kydera CDM-550H
Kydera · 2023CDM-550H
0 advantages≈ £310
vs
Radioddity DB25-D Mini
Radioddity · 2021DB25-D Mini
6.5Score
1 advantage≈ £190
Higher score
9.4Range & power9.0
Dimensions

Size comparison

CDM-550HDB25-D Mini
140 × 1754666 × 12243
CDM-550HDB25-D MiniDifference
Height175 mm122 mm+53 mm
Width140 mm66 mm+74 mm
Depth46 mm43 mm+3 mm
Weight1,500 g907 g+593 g

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

Why is CDM-550H better than DB25-D Mini?

CDM-550H has no measurable advantages in this pair.

Why is DB25-D Mini better than CDM-550H?

  1. Weight1,500 g vs 907 g+65%
Specifications

Side by side

Radio & range
Radio standardsUHF, DMRVHF, UHF, DMR
LicenceAmateur licenceAmateur licence
Digital mode (DMR / dPMR)YesYes
Dual band (VHF + UHF)—Yes
Frequency ranges400–480 MHz136–174 MHz, 400–480 MHz
Transmit power40 W40 W
CTCSS / DCS sub-tonesYesYes
Power & battery
USB-C charging—Yes
Design & durability
Weight1,500 g907 g
Width140 mm66 mm
Height175 mm122 mm
Depth46 mm43 mm
Protection rating—IP54
Water protection (IPx)—IPx4
DisplayColour displayColour display
Features
VOX (hands-free)—Yes
Channel scanYes—
Dual watch—Yes
Emergency / SOS alarmYes—
FM radioYes—
Monitor buttonYes—
Voice encryption / scramblerYes—
GPS—Yes
PC programmableYesYes
Connectivity
Bluetooth—Yes
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