Side-by-side comparison of specs, features, and scores.
The Radtel RT-4D DMR is the clear winner for most users, despite costing twice as much. The single most important differentiator is feature set versus price. The UV-21R is a no-frills analog workhorse offering basic FM operation, CHIRP compatibility, and unbeatable value, making it ideal for budget-conscious beginners who just need simple local communication. The RT-4D justifies its fifty dollar price tag with DMR digital capability, built-in GPS, and superior overall design maturity, making it the better choice for operators who want modern features and plan to use digital networks.
For most amateur radio operators, the RT-4D represents significantly better value once you account for features, with its higher score reflecting real-world performance improvements. However, if you're strictly limited to twenty-five dollars or genuinely need nothing beyond basic analog FM, the UV-21R won't disappoint. We recommend the Radtel RT-4D for nearly everyone except the most budget-constrained newcomers. It's a capable mid-tier handheld that delivers modern amateur radio functionality without premium pricing.
★ 4.2 (111 reviews)
| Spec | Baofeng UV-21R | Radtel RT-4D DMR |
|---|---|---|
| Price | $27.33 | $49.99 |
| Overall Score | 74 | 77 |
| TX Power (High) | 6.00W | 5.00W |
| Memory Channels | 999 | 1024 |
| Weight | 300g | 198g |
| Battery | 1800 mAh | 3500 mAh |
| Display | 1.77in TFT Color | LCD |
| IP Rating | IP54 | — |
| FCC Authorization | Authorized | Not Found |
| Voltage | 3.7 Volts | 7.4 Volts |
| Special Feature | Emergency Alarm, Long Range | Dual Band Analog/Digital , Type C charger, DMR/Analog,, Single Call/Group Call, NOAA, Two-Time Slot,Spectrum, FM Radio |
| Included Components | 1XRadio Body, 1x21CM Antenna&1x39CM Antenna, 1xBelt Clip&1XType-C Charging Cable&1XUS Plug, 1xLanyard&1XManual&1xScrewdriver, Battery | 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 |
| Tuner Type | UHF VHF | UHF/VHF |
| Model Number | UV-21R | RT-4D |
| Built-In Media | 1XRadio Body, 1x21CM Antenna&1x39CM Antenna, 1xBelt Clip&1XType-C Charging Cable&1XUS Plug, 1xLanyard&1XManual&1xScrewdriver, Battery | 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 | UV-21R | RT-4D |
| Compatible Devices | Smartphone | Two-way radios on 144-148/420-450MHz frequency bands, compatible headsets, and external antennas |
| Additional Features | Emergency Alarm, Long Range | Dual Band Analog/Digital , Type C charger, DMR/Analog,, Single Call/Group Call, NOAA, Two-Time Slot,Spectrum, FM Radio |
| Warranty Description | NO | 1 Year |
| Connectivity Protocol | P25, DMR, NXDN | DMR |