The Model 1878 - C band from AvL Technologies is a SATCOM Antenna with Frequency 3.625 to 4.2 GHz / 5.85 to 6.425 GHz, Tx Frequency 5.85 to 6.425 GHz, Rx Frequency 3.625 to 4.2 GHz, Tx Gain 39.2 dBi, Rx Gain 35.5 dBi. Tags: Parabolic Reflector, Portable. More details for Model 1878 - C band can be seen below.