Will it work in your country?
Unihertz lists 18 LTE FDD and 5 LTE TDD bands for the Atom XL, including the 800 MHz band 20 and 700 MHz band 28 that EU networks use outside cities. Its DMR radio works without any network.
How big is it?
The Atom XL next to other radios, to scale. Pick up to three to compare.
Full specifications
Values come from the sources listed at the end of the page. Where they disagree, both values are shown.
| Radio type | DMR Tier 1 and Tier 2, dual time slot, plus analog |
|---|---|
| Frequency range | UHF 400–480 MHz |
| Transmit power | 2 W or 0.5 W |
| Range (published figure) | Up to 2 km, depending on terrainSources differ |
| Channels | 16 preset, up to 48; digital or analog |
| Radio functions | Group and private contacts, text messages on digital channels, voice recording and replay, Bluetooth or wired headsets, firmware updates over the air |
| Antenna | Detachable; fitted before the radio is used |
| LTE FDD bands | B1 B2 B3 B4 B5 B6 B7 B8 B12 B13 B17 B18 B19 B20 B25 B26 B28 B66 |
|---|---|
| LTE TDD bands | B34 B38 B39 B40 B41 |
| 3G | WCDMA B1 B2 B4 B5 B6 B8 B19; CDMA2000 BC0 BC1 |
| 2G (GSM) | 850 / 900 / 1800 / 1900 MHz |
| SIM | Two nano-SIM; the second slot takes a microSD card instead |
| Operating system | Android 11; Unihertz says it cannot receive further OS upgrades |
|---|---|
| Chipset | MediaTek Helio P60, eight cores, 2.0 GHz |
| Memory | 6 GB RAM and 128 GB UFS 2.1 storage |
| Apps | Google Play; Unihertz says the phone runs the vast majority of its apps |
| Screen | 4.0-inch LCD touchscreen, 1136 × 640 |
|---|---|
| Cameras | Rear 48 MP with autofocus; front 8 MP |
| Battery | 4,300 mAh, built in |
| Battery life (published figure) | More than 24 hours of use |
| Charging | USB-C, 18 W; no wireless charging |
| Water and dust rating | IP68 (IEC 60529) |
|---|---|
| Military test standard | MIL-STD-810G |
| Weight | 224.5 g with battery |
| Size | 134.5 × 65 × 17.5 mm (height × width × depth) |
| Color | Black |
| Keys | Red programmable key on the left side, set up as the radio's PTT key; power key; fingerprint sensor in the Home key below the screen |
|---|---|
| Audio connector | 3.5 mm headphone jack |
| USB | USB-C with OTG |
| Other | Infrared port, FM radio |
| Wi-Fi | 802.11 a/b/g/n/ac, 2.4 and 5 GHz; Wi-Fi Direct and hotspot |
|---|---|
| Bluetooth | Bluetooth 5.1 |
| Satellite positioning | GPS, GLONASS, BeiDou |
| NFC | Yes; Unihertz warns that Google Pay may not work properly |
| SAR (EU, 10 g) | Head 0.462 W/kg, body 0.550 W/kg |
Where sources disagree
- Range (published figure)Up to 2 km, depending on terrain · 8 km in lab or obstacle-free conditions
Questions
Does the Unihertz Atom XL have a walkie-talkie?
Yes. It has a built-in DMR Tier 1 and Tier 2 radio that also works in analog, on UHF 400–480 MHz at 2 W or 0.5 W. Unihertz gives a range of up to 2 km and says it works without a network.
Is the Unihertz Atom XL waterproof?
Unihertz rates it IP68 and tested to MIL-STD-810G. The manual notes that water resistance can decrease with normal wear.
Will the Unihertz Atom XL get Android updates?
No. Unihertz says the Atom XL runs Android 11 and cannot receive further OS upgrades.
Is the Unihertz Atom XL still available?
Unihertz's store showed it sold out in every region in October 2026, at a listed price of $289.99 (regular $329.99).
What is the difference between the Unihertz Atom XL and the Atom L?
They share the same 4-inch rugged body, Android 11 and 4,300 mAh battery. The Atom XL adds the DMR and analog walkie-talkie with its antenna; the Atom L has no radio.
