Antenna Overview
AT2458 Flat Panel Directional Antenna is a compact mobile directional flat panel antenna featuring high gain, dual-band and dual-polarization. It boasts lightweight design, long transmission distance, and stable and reliable performance. Specifically designed for use with the G20 series remote controllers, it effectively extends the signal range of drone telemetry, video and control systems.
1. Components Name
The definitions of the antenna interfaces are shown in the figure below.
2. Installation Methods
This antenna is compatible with the G20 remote controller.
Unscrew the original antenna from the remote controller, then screw the SMA connector of this antenna directly into the remote controller’s antenna port and tighten is securely. (Refer to the installation diagram below)
3. Antenna Specifications
Antenna Gain
Frequency = 2.4 GHz
Main lobe magnitude =8.88 dBi
Main lobe direction= 270.0 deg.
Angular width (3 dB)= 70.0 deg.
Antenna Gain
Frequency = 5.8 GHz
Main lobe magnitude =10.7 dBi
Main lobe direction=270.0 deg.
Angular width (3 dB)= 42.1 deg.
Antenna Efficiency
S11
4. Parameters
| Dual-band Dual-polarization Antenna | ||
| Model | AT2458 | |
| Antenna Frequency | 2400-2500 MHz | 5150-5850 MHz |
| Polarization | Dual Polarization (Vertical, Horizontal) | |
| Antenna Gain | 8.8 dBi | 10.7 dBi |
| Beamwidth | Horizontal: 60.8° | Horizontal: 48.6° |
| Vertical: 70° | Vertical: 42° | |
| S11 | ≤ -12 dB | ≤ -18 dB |
| Input Impedance | 50 Ω | |
| Maximum Power | 200 W | |
| Interface Type | SMA-J ( Internal Thread & Inner Hole) | |
| Dimensions | 75 (L) × 75 (W) × 116.38 (H) mm | |
| Antenna Weight | 47 g | |
| Operating Temperature | -55 °C ~ +75 °C | |
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