Side-by-side comparison of specs, features, and scores.
The Radtel RT-4D is the clear winner for most users. While the Radioddity GA-510 costs ten dollars less and offers double the transmit power, the RT-4D's significantly higher overall score of 71 versus 44 reflects its superior capabilities and real-world value.
The single most important differentiator is DMR capability. The RT-4D's digital mode support opens access to modern repeater networks and digital communities that the analog-only GA-510 cannot reach. This alone justifies the $10 price premium for serious operators.
The GA-510 makes sense only for budget-conscious beginners who need basic FM analog operation and prioritize higher power output for simplex range, though even then its low overall score suggests quality compromises.
The RT-4D should be your choice if you want a capable handheld that balances features, performance, and price for the long term. Its GPS functionality, digital capability, and established reputation make it the stronger investment despite consuming less power on transmit. For an extra ten dollars, you're getting a radio that grows with your skills rather than limiting them.
★ 4.2 (602 reviews)
★ 4.2 (111 reviews)
| Spec | Radioddity GA-510 | Radtel RT-4D DMR |
|---|---|---|
| Price | $39.99 | $49.99 |
| Overall Score | 57 | 77 |
| TX Power (High) | 10.00W | 5.00W |
| Memory Channels | 128 | 1024 |
| Weight | — | 198g |
| Battery | 2200 mAh | 3500 mAh |
| Display | LCD | LCD |
| IP Rating | — | — |
| FCC Authorization | Authorized | Not Found |
| Voltage | 7.4 Volts | 7.4 Volts |
| Frequency Range | 144-148MHz, 420-450MHz | 144-148/420-450MHz |
| Special Feature | CH340 programming cable (compatiblewith win 11 or previous system), Long Range | Dual Band Analog/Digital , Type C charger, DMR/Analog,, Single Call/Group Call, NOAA, Two-Time Slot,Spectrum, FM Radio |
| Water Resistance Level | Water Resistant | Not Water Resistant |
| Tuner Type | VHF, UHF | UHF/VHF |
| Model Number | Radioddity GA-510 | RT-4D |
| Built-In Media | 1x Radioddity GA-510 Radio, 2x 2200mAh Battery, 1x Dual Band Antenna, 1x Programming Cable, 1x Desktop Charger, 1x Adapter, 1x Belt Clip, 1x Wrist Strap, 1x Earpiece, 1x User Manual | 1x Rt-4d Radio, 1x 3500mAh Li-ion battery, 1x Desktop charger, 1x USB-C cable, 1x Dual band antenna, 1x belt clip, 1x Eng user manual |
| Mfr Part Number | Radioddity GA-510 | RT-4D |
| Compatible Devices | Enable to talk with UHF VHF radio | Two-way radios on 144-148/420-450MHz frequency bands, compatible headsets, and external antennas |
| Additional Features | CH340 programming cable (compatiblewith win 11 or previous system), Long Range | Dual Band Analog/Digital , Type C charger, DMR/Analog,, Single Call/Group Call, NOAA, Two-Time Slot,Spectrum, FM Radio |
| Battery Average Life | 96 Hours | 5 days |
| Warranty Description | 18 months warranty and lifetime supports | 1 Year |
| Connectivity Protocol | VHF, UHF | DMR |