Product overview
The ComNav AT160 Helix Antenna is a GNSS reception component intended for positioning systems in UAVs, UGVs and robotics, with GIS and RTK applications also identified. Its physical architecture combines a helix antenna with a low-noise amplifier and an SMA male connection. The published envelope is Φ27.5×58 mm, with a table weight limit of ≤ 30g; these manufacturer values should be confirmed for the selected configuration when allocating installation space and mass. An antenna component rather than a flight platform or airframe kit.
Integration planning should account for the published 50Ω nominal impedance, RHCP polarization, 3 - 12 VDC supply and ≤ 42mA operating current, subject to confirmation of the selected configuration. Supported GNSS bands, SBAS and L-Band. Published environmental limits include IP67 protection and 95% non-condensing humidity. Gain, noise and phase-center statements describe manufacturer specifications or claims; no test procedure establishing complete-system positioning accuracy.
Specifications
| Specification | Value & conditions |
|---|---|
| Product type and application | Triple-frequency GNSS helix antenna for positioning applications including UAVs, UGVs and robotics |
| GPS | L1, L2, L5 |
| GLONASS | L1, L2 |
| BeiDou | B1, B2, B3 |
| BeiDou Global | B1C, B2a |
| Galileo | E1, E5a, E5b |
| Additional signal support | SBAS and L-Band |
| Nominal impedance | 50Ω |
| Polarization | RHCP |
| Axial ratio (90°) | ≤ 3dBSpecified at 90°. |
| LNA gain | 33±2dB |
| Noise figure | ≤ 1.8dB |
| Output VSWR | ≤ 1.8 |
| Operating voltage | 3 - 12 VDC |
| Operating current | ≤ 42mA |
| Gain at zenith | 3dBiGain specified at zenith. |
| Dimensions | Φ27.5×58 mm |
| Connector | SMA male connector |
| Weight | ≤ 30gParameter table specifies ≤ 30g; descriptive text says under 30g. |
| Operating temperature | -40°C to +70°COperating temperature range. |
| Storage temperature | -55°C to +85°CStorage temperature range. |
| Humidity | 95% non-condensingNon-condensing humidity condition. |
| Water and dust protection | IP67 |
| Phase center error | Sub-millimeter level; manufacturer claims stability and repeatabilityManufacturer claim. |
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