AT-740/A
Airborne Antenna | L-Band
The AT-740/A antenna is used for airborne radar interrogation on various fixed-wing aircraft. The antenna is produced to Military Specification MIL-DTL-25707. The antenna is designed to operate at the extreme temperature range of -67°F to 302°F. It is a flush-mounted, cavity-back slot antenna constructed of aluminum with a fiberglass radome. The antenna has a type BNC sampling probe and is protected by an anodic coating to prevent corrosion.
| Model | AT-740/A |
| NSN/Cage | 5985-00-673-5831 |
| Application | Airborne Radar Interrogation (IFF) |
| Frequency | 960-1220 MHz |
| Impedance | 50 Ohms Nominal |
| Gain | -2.0 dBmp |
| VSWR | 1.8:1 Maximum (Antennas) 1.5:1 Maximum (Sample Probe) |
| Polarization | Vertical |
| Pattern | Omni-Directional |
| RF Power Capacity | 4kW Peak/100 Watts Avg. |
| Probe Attentuation | 17.5 ± 1.5 dB |
| Max. Weight | 1 lb. |
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