Will it work in your country?
Crosscall lists 10 LTE FDD and 6 LTE TDD bands for the CORE-Z5, including the 800 MHz band 20 and 700 MHz band 28 that EU networks use outside cities, plus 5G n28 and n78.
Try the push-to-talk apps on the CORE-Z5
These services list the CORE-Z5 as supported. Pick one and try what it can do.
Tap the talk button on the screen for the next call, hold it to talk; the tabs switch the app's screens.
About TASSTA →Website ↗How big is it?
The CORE-Z5 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.
| LTE FDD bands | B1 B2 B3 B5 B7 B8 B20 B28 B32 B68 |
|---|---|
| LTE TDD bands | B38 B39 B40 B41 B42 B43 |
| 5G bands | FDD n1 n3 n5 n7 n8 n20 n28; TDD n38 n40 n41 n77 n78 |
| 3G and 2G | HSPA+ 850 / 900 / 1700 / 1900 / 2100 MHz; GSM 850 / 900 / 1800 / 1900 MHz |
| SIM | Triple tray: two nano-SIMs and a microSD card |
| Voice | VoLTE and Wi-Fi calling, depending on the operator |
| Operating system | Android 12 at launch, Android 14 now; Crosscall guarantees an upgrade to Android 16 |
|---|---|
| Security updates | From October 2022; not guaranteed after December 2032 |
| Chipset | Qualcomm QCM6490, eight cores: one at 2.7 GHz, three at 2.4 GHz, four at 1.9 GHz |
| Memory | 6 GB RAM and 128 GB storage; microSD up to 1 TB |
| Device management | Android Enterprise Recommended, Zero Touch enrollment |
| PTT platforms that list it | TASSTA (Crosscall Z5, Android 12); Mobile Tornado (Core Z5, rugged devices) |
| Screen | 6.08-inch IPS, 1520 × 720, 19:9, Gorilla Glass 5, 500 cd/m² |
|---|---|
| Touch | Five-point touch that works when wet and with gloves |
| Battery | 4,950 mAh lithium polymer (rated capacity 4,830 mAh), user-replaceable |
| Battery life (published figures) | Up to 44 hours of 4G talk time (34 hours on 3G) and 306 hours on 4G standby; 800 charge cycles |
| Charging | USB-C 3.2 Gen 1 with reverse charging; X-LINK magnetic contacts on the back |
| Water and dust rating | IP68; fresh water to 2 m for 30 minutes, dust-tight IP6X |
|---|---|
| Military test standard | MIL-STD-810H |
| Drop | 2 m onto concrete on all six faces; EU drop reliability class A, 270 falls without defect |
| Liquids | Salt and chlorinated water; hand sanitizer gel, alcohol, soap, ethanol, diesel and sweat |
| Operating temperature | −25 to +60 °C |
| Weight | 281 g |
| Size | 175 × 81 × 14 mm (height × width × depth) |
| Speaker | 100 dB at 10 cm |
| Programmable buttons | Four, three on the left side and one on top; Crosscall names push to talk among their uses |
|---|---|
| Other keys | Volume keys and an on/off key with a fingerprint reader, on the right side |
| Audio connector | Waterproof 3.5 mm jack |
| X-LINK | Magnetic connector on the back for mounts, charging and data |
| Indicator lights | Two multicolor LEDs |
| Wi-Fi | Wi-Fi 6 and 6E (802.11 a/b/g/n/ac/ax), 2.4, 5 and 6 GHz |
|---|---|
| Bluetooth | Bluetooth 5.2 |
| Satellite positioning | Dual-frequency GPS (L1/L5) and Galileo (E1/E5), plus A-GPS, GLONASS and BeiDou |
| NFC | Yes, with payments |
| Cameras | Rear 48 MP with phase-detection autofocus and LED flash; front 8 MP; video 4K at 30 fps |
|---|---|
| Warranty | Five years, battery included |
| Repairability | EU repairability class A, index 4.14; spare parts for up to ten years |
| On the EU market since | 15 February 2023 |
| Price at Crosscall's store | €449.90, down from €599.90 (October 2026) |
Where sources disagree
- RAMSpec table: 6 GB · Feature text: 4 GB of RAM
Questions
Does the Crosscall CORE-Z5 have a push-to-talk button?
It has four programmable buttons, three on the left side and one on top. Crosscall says one press can turn the phone into a walkie-talkie with push to talk; none of the buttons is labeled PTT.
Which push-to-talk apps support the CORE-Z5?
TASSTA lists the Crosscall Z5 as compatible on Android 12, and Mobile Tornado lists the Core Z5 among its rugged devices.
Is the Crosscall CORE-Z5 5G?
Yes. Crosscall lists 5G bands n1, n3, n5, n7, n8, n20 and n28 (FDD) and n38, n40, n41, n77 and n78 (TDD).
Is the CORE-Z5 battery replaceable?
Yes. The EU product information sheet marks the 4,950 mAh battery as user-replaceable, and Crosscall's five-year warranty includes the battery.
How long will the CORE-Z5 get updates?
Crosscall guarantees an upgrade to Android 16 and lists security updates until December 2032. The phone runs Android 14 now.
Does the CORE-Z5 have a headphone jack?
Yes. Crosscall lists a waterproof 3.5 mm jack, on the top edge.





