Use this page to look up hardware specs, radio channel settings, transmission power options, and compatible software versions for the Somewear Node.
The Somewear Node is a ruggedized mesh (peer-to-peer radio network) and satellite communication device that pairs to Android Team Awareness Kit (ATAK) over Bluetooth. It combines Iridium satellite, dual-channel LoRa (Long Range radio) mesh, integrated GPS, and BLE (Bluetooth Low Energy) into a single handheld form factor.
Hardware Specifications
| Specification | Value |
|---|---|
| Weight | 186 g |
| Dimensions | 132 × 62.4 × 23 mm |
| Color | Matte black |
| Battery | 1950 mAh Li-ion |
| IP rating | IP68 |
| Environmental | MIL-STD-810H |
Radio Specifications
| Radio | Detail |
|---|---|
| Satellite | Iridium SBD (Short Burst Data), integrated |
| Mesh | Dual LoRa (two independent antennas); MCX (miniature coaxial) ports for external antennas |
| GPS | Integrated; MCX port for external antenna |
| Bluetooth | BLE 5.0 (End User Device pairing) |
Mesh Radio Channels
The Node operates on two simultaneous LoRa channels. All Nodes on a mesh must use the same channel set.
| Channel | LoRa 1 | LoRa 2 |
|---|---|---|
| Americas 1 | 925.75 MHz | 905.25 MHz |
| Americas 2 | 926.5 MHz | 908.5 MHz |
| Americas 3 | 927.25 MHz | 911.75 MHz |
| Europe 1 | 869.525 MHz | 865.5 MHz |
Mesh Transmission Power
| Setting | Power |
|---|---|
| High | 0.5 W |
| Medium | 0.316 W |
| Low | 0.1 W |
Use High power unless spectrum constraints or battery conservation require a lower setting. Reducing power decreases effective range.
Software Compatibility
| Component | Supported Versions |
|---|---|
| ATAK | 5.0+ |
| Somewear ATAK Plugin | v1.1.16 and later (v1.1.19+ required for mesh key rotation) |
| Android | 12.0+ |
To check the installed plugin version:
- Open ATAK.
- Tap the plugin icon in the toolbar to open the Somewear plugin.
- Tap Settings.
- Scroll to About and note the version number displayed.