Product Overview
This ground-side directional antenna set is the receive half of the TC403 link, combining 2.7-5GHz and 5-7GHz LHCP panel arrays on a single mount. The 14dBi average gain and 50Ω feed extend the usable link beyond 25km when aimed at the aircraft, and the ≤2.5 VSWR keeps reflection losses low across both bands. Four SMA-J leads connect directly to the RBox antenna ports, and the assembly weighs under 500g for tripod or mast mounting. It is supplied as a matched pair for the air unit’s dual-band dipole antennas.
Key Features
- 14dBi average gain across 2.7-5GHz and 5-7GHz in one panel assembly
- LHCP circular polarization matched to the TC403 air-unit antennas
- 50Ω input impedance with VSWR ≤2.5 for low reflection loss
- SMA-J connectors, plugging straight into the RBox receiver ports
- Under 500g total weight for tripod, mast or vehicle roof mounting
- Extends the 25km TC403 video link when aimed at the aircraft
Technical Specifications
| Model | SJ-TC403 RBox Antenna (ground directional antenna set) |
|---|---|
| Polarization | LHCP |
| Operating bands | 2.7 ~ 5GHz and 5 ~ 7GHz |
| Average gain | 14dBi |
| Input impedance | 50Ω |
| VSWR | ≤2.5 |
| Connector | SMA-J |
| Weight | ≤500g |
| Matching air antenna | 2.7-5GHz / 5-7GHz, 3dBi, IPEX-1, VSWR <1.5, ≤15g |
| Compatible receiver | SJ-TC403 / J-TC403A RBox |
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