Hardware Comparison Chart
GMI integrates various products, services and applications to provide functionality as shown below:
| Key Features |  G6 |  G6S |  G4 | G4C |  G4 MX2 |  DZM |  GL300 |  Iridium Extreme |
|---|---|---|---|---|---|---|---|---|
| Self contained unit with internal antenna | ✓ | ✓ | ✓ | ✓ | ||||
| External antennas | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ||
| Satellite Data + Text Mgs | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| Satellite VOICE | ✓ | ✓ | ✓ | ✓ | ||||
| Push to Talk (PTT) | ✓ | ✓ | ✓ | ✓ | ||||
| Dual Satellite & Cellular | ✓ | ✓ | ✓ | |||||
| Cellular Only | ✓ | |||||||
| Portable plug and play option | ✓ | ✓ | ||||||
| Fixed installation | ✓ | ✓ | ✓ | ✓ | ||||
| Functionality | G6 | G6S | G4 | G4C | G4 MX2 | DZM | GL300 | Iridium Extreme |
| Real-time satellite or cellular GPS Flight Following anywhere in the world | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| Field upgradable by plugging in USB, 4 minute upgrade | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| Dedicated Mark position button on the device and app to show points of interest such as real time fire boundaries | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ||
| Emergency alerting from aircraft via Text Msg / Email or alert in Operations Centre. Alerts received within 30 seconds of activation | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| Two-way Text message from aircrew to ground personal or vice versa | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| Bluetooth Connection | ✓ | ✓ | ✓ | ✓ | ✓ | |||
| WiFi Connection | ✓ | ✓ | ✓ | |||||
| Maintenance free (no battery) backup power to send last message after loss of power or engines shut off. Alert and text messages sent to verify completed flight and power off | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ||
| Mobile application allowing aircrew full access to satellite communications devices via Bluetooth | ✓ | ✓ | ✓ | ✓ | ||||
| Analog inputs for sensor integration such as real time engine temperature or fuel levels | ✓ | ✓ | ✓ | ✓ | ||||
| Configurable INPUT/OUTPUT (door open/oil pressure alert, engine on or off, wheels up or down, etc.) | ✓ | ✓ | ✓ | ✓ | ||||
| Variable tracking dependant on movement | ✓ | ✓ | ✓ | ✓ | ||||
| Additional Telemetry Unit (ATU) with bucket, Tank and Combo real-time information | ✓ | ✓ | ✓ | ✓ | ||||
| Serial interface for advanced data trasfer in real time | ✓ | ✓ | ✓ | ✓ | ||||
| Flight Data Monitoring System (FDMS) LOG to ensure real time fault finding and rectification | ✓ | ✓ | ✓ | ✓ | ||||
| FDM Light functionality to provides | ✓ | ✓ | ✓ | ✓ | ||||
| Build-in Attitude and Heading Reference System (AHRS) that can provide an estimation of an aircrafts orientation such as pitch, roll, and yaw. AHRS inertial sensors are commonly used in robotics and unmanned vehicle navigation | ✓ | ✓ | ✓ | ✓ | ||||
| Rapid ascent/descent alerting | ✓ | ✓ | ✓ | ✓ | ||||
| Data storage of all aircraft flight parameters which can be used for air safety evaluation | ✓ | ✓ | ✓ | ✓ | ||||
| Real-time exceedances such as over stress on airframe | ✓ | ✓ | ✓ | ✓ | ||||
| Automatic wireless upload of flight data when aircraft has LTE connection HRS data | ✓ | ✓ | ||||||
| Secure AES256 voice and data | ✓ |