Dual Element GPS & Passive Iridium Antenna
Applications
- AUVs
- ROVs
- Drifters
- Profiling floats
- Manned submersibles
- Location & recovery
- Mission data transmission
- Command & control
- Datasheet
Features
- Pressure rated to 6,000 m
- Active GPS & Passive Iridium antenna elements
- Dual cables & connectors for GPS & Iridium
- Rapid position acquisition at the sea-surface
- Small, light-weight, low drag
- Iridium element allows two-way data communications
- Various cable lengths available with a choice of GPS & Iridium connectors
Feed-through Connection
- For antenna mounting directly onto pressure housing
- 7/16" UNF thread as standard (bespoke thread option)
Specification
| Active GPS | Passive Iridium | |
| Type | Quadrifilar Helix |
Octafilar Helix |
| Frequency | 1573.42-1577.42 MHz | 1616-1626 MHz |
| Polarization | Right-hand circular | Right-hand circular |
| Voltage | 2.8 to 3.6 V | |
| Current | 13 mA | |
| Gain | +24 dBic | +2.0 dBic @zenith |
| Beamwidth | 135 Degrees | >120 Degrees |
| Bandwidth | 20 MHz | (1 dB) 15 MHz |
| Axial Ratio | <2.0 @Zenith | <1.5 @Zenith |
| VSWR | <2.0:1 | <2.0:1 |
| Impedance | 50 | 50 |
| Temperature | -40 to +85 °C | -40 to +85 °C |
