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Identical to CI 271 except its electrical performance is specified over the frequency range of 403 to 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 mechanically captivated and is sealed against leakage. All xposed metal surfaces are nickel-plated for corrosion resistance and long service. CI 273 mounts through single 0.600". BNC connector is standard. Other connectors available. See Order Options chart.
MODEL CI 273 Series UHF Antenna | |
Electrical | |
Frequency | 403 to 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 of ? / 4 Stub |
Impedance | 50 Ohms |
Power Rating | 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. |
Order Options | |
Connector | |
BNC | CI 273 |
N | CI 273-5 |
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Approvals and Conformities
Product Attributes
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Identical to CI 271 except its electrical performance is specified over the frequency range of 403 to 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 mechanically captivated and is sealed against leakage. All xposed metal surfaces are nickel-plated for corrosion resistance and long service. CI 273 mounts through single 0.600". BNC connector is standard. Other connectors available. See Order Options chart.
MODEL CI 273 Series UHF Antenna | |
Electrical | |
Frequency | 403 to 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 of ? / 4 Stub |
Impedance | 50 Ohms |
Power Rating | 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. |
Order Options | |
Connector | |
BNC | CI 273 |
N | CI 273-5 |