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Approvals and Conformities
Product Attributes
![](/content/flags/flag-of-united-states.png)
United States
Shipping Weight
0.4 pounds
ECCN
7A994
Manufacturer P/N
CI408-20
Schedule B Code
9803.20.0000
Pack Quantity
1
Active GPS antenna designed for airborne applications for aircraft up to 600 knots. Certified to TSO C-144, and DO-228 Minimum Operation Performance requirements. This antenna offers DC grounding and has passed rigorous Lightning Direct Effects testing as prescribed in DO-160D. Round footprint allows for drop-in replacement in many popular GPS applications.
MODEL CI 408-20 GPS | |||
GPS Passive Characteristics | |||
Frequency | 1575.42 MHz | ||
Polarization | RHCP | ||
Axial Ratio | < 3dB @ 90º | ||
Radiation Coverage (Gain) | 3.0 dBic 0º ≤ θ ≤ 60º | ||
0.0 dBic 0º ≤ θ ≤ 75º | |||
-3.0 dBic 0º ≤ θ ≤ 80º | |||
-4.5 dBic 0º ≤ θ ≤ 85º | |||
-7.5 dBic θ = 90º | |||
Amplifier | |||
Voltage | 7.0 to 24 vdc | ||
Gain | 26.5 dB Minimum / 28 dB Nominal | ||
Noise Figure | 2.0 dB Nominal / 3.8 dB Maximum | ||
Impedance | 50 Ohms | ||
VSWR | 2.0:1 Maximum Output | ||
Out of Band Rejection | 35 dB Minimum @ 1626 MHz | ||
Power Handling | 50 mA Maximum | ||
Lightning Protection | DC Grounded | ||
Mechanical | |||
Weight | 0.45 lb. Maximum | ||
Height | 0.64 in. Maximum | ||
Material | Molded Radome | ||
Finish | Polyurethane Enamel | ||
Connector | TNC (Female) Threaded | ||
Footprint | Round mount configuration | ||
Environmental | |||
Temperature | -55ºC to +85º | ||
Altitude | 55,000 ft. | ||
Air Speed | 600 Knots TAS | ||
Federal Specifications | |||
RTCA Environmental | DO-160D | ||
Environmental Category | [F2]-AC[S2]XRFXXSXXXXXXX[2A]C | ||
FAA TSO | C144 | ||
RTCA MOPS | DO-228 | ||
ORDER OPTIONS | |||
Voltage Connector Model | |||
7.0 - 24.0 vdc | TNC | CI 408-20 | |
Color | |||
White | Standard |