COMANT UHF (CI-273)
Description
Frequency 403-513 MHz
Identical to CI 271 except its electrical performance is specified over the frequency range of 403-512 MHz in various band segments with VSWR limits shown. Stub antenna designed to withstand the harsh environments associated with the underside of an aircraft. Antenna radiator is mechaniclly captivated and is sealed against leakage. All exposed metal surfaces are nickel-plated for corrosion resistance and long service. CI 273 mounts through a single 0.600” hole. BNC connector is standard.
Note: Comant Antennas no longer come with a gasket or template. Must order PN 09-00532 separately.
| MODEL CI 273 SERIES UHF ANTENNA | |
| Electrical | |
| Frequency | 403-512 MHz |
| VSWR | 3.0:1 @ 403 to 512 MHz |
| 3.0:1 @ 403 to 430 MHz | |
| 2.0:1 @ 403 to 470 MHz | |
| 3.0:1 @ 470 to 512 MHz | |
| Polarization | Vertical |
| Radiation Pattern | Equivalent to 1/4 Stub |
| Impedance | 50 Ohms |
| Power RF | 50 Watts Average |
| Mechanical | |
| Weight | 0.18 lb. Maximum |
| Height | 7.0 in. Maximum |
| Material | Nickle Plated Brass |
| Finish | Tin Nickle Alloy |
| Connector | BNC (Female) |
| Environmental | |
| Air Speed | 250 Knots TAS at 25,000 ft. |
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