XPTT
Push-to-talk Radio
Preliminary Specifications
(as of 9/17/2026; *subject to change)
Sonim XPTT Specifications

Core Platform / Functions
| Operating System | Sonim Proprietary OS based on AOSP 16 |
|---|---|
| Chipset | Qualcomm SM4450 |
| Wi-Fi | a/b/g/n/ac 2.4GHz/5GHz |
| Memory | 4GB DDR4/64GB |
| Preloaded Applications | SonimWare™ |
Connectivity
| Bluetooth | 5.0 BLE |
|---|---|
| Satellite | Network dependent |
| Messaging | PTT service dependent |
| GPS | GPS L1 + L5/a-GPS, Galileo |
| Bands | 5G: n2, n5, n7, n14, n25, n28, n38, n41, n48, n66, n71, n77, n78 |
| LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 41, 42, 43, 48, 66, 71, 106 |
Display
| Size/Type | 1.64”, Top: 0.68” / Corning Gorilla Glass |
|---|---|
| Resolution | Main: 280x256 /60Hz, Top: 32x96 / 60Hz |
Physical Characteristics
| Size | 6.10 × 2.64 × 1.04 in / 154.9 × 67.1 × 26.4 mm |
|---|---|
| Dedicated Keys | Two programmable: PTT Key*, SOS/Emergency Key |
| Volume Keys | |
| Ports | USB Type-C, SecureAudio™ Connector |
| SIM Type | eSIM+4FF |
| Rugged Certifications | Class I, Div2, Groups A, B, C, D, T4; |
| MIL-STD-810H; IP68, IPx9K | |
| Rugged Certifications | Class I, Div 2, Groups A, B, C, D, T4; |
| MIL-STD-810H; IP68, IPx9K | |
| Operating Temperature | -20°C ∼ +55°C (-4°F ∼ +131°F) |
Battery
| Capacity | Standard (3000mAh) and Extended (6000mAh); Hot-swappable optional |
|---|
Camera
| Front | 8MP with Flash |
|---|---|
| LED Flashlight | Yes |
Audio
| Speaker | Ultra loud Front Facing 2W loudspeaker (>105dB) |
|---|
Accessories
| External Antenna | Optional |
|---|---|
| Audio/RSM | Sonim SecureAudio Port – accessory compatibility with Sonim accessory ecosystem |
Features, network functionality, and carrier compatibility may vary by device configuration, firmware, carrier certification, SIM provisioning, and custom enterprise deployment.