Comant’s ComDat dual function single engine antenna for VHF/GPS. Our patented technology
provides 80 dB of VHF harmonic suppression allowing Comant to offer VHF and GPS in one
radome without in-line filters.
Designed as a “drop-in” replacement for common single engine teardrop footprint. Designed for popular 26.5 dB gain GPS panel mount systems.
Certified FAA TSO-C144 for GPS and GPS WAAS Class Gamma 1 equipment. Not compliant for GPS WAAS Class Gamma 2 and 3 applications.
Single engine piston aircraft for applications of this antenna design. Consult your FBO or installation shop for best application information.
VHF 118-137 MHz
GPS 1575.42 MHz +/- 3MHz / 26.5 dB Gain
Frequency 118-137 MHz
VSWR 2.5:1 Maximum
Radiation Pattern Omni Directional
Impedence 50 Ohms
Power Rating 50 Watts
GPS Preamplifier Specs
Frequency 1575.42 +/-3 MHz
VSWR 2.5:1 Max.
Radiation Pattern Hemispherical
Impedance 50 Ohms
Gain 26.5 dB
DC Voltage +5 Vdc
DC Curr. Min/Max 50 mA Maximum
Noise 3.8 dB Max
Mechanical / Environmental
Weight 0.6 lb Maximum
RTCA Env. / TSO DO-160D / C37d, C38d, C144
Connectors VHF - BNC / GPS - TNC