The TR-3031-4040 from ITS Electronics is a SATCOM Transceiver with Tx RF Frequency 30 to 31 GHz, Tx IF Freqency 950 to 1950 MHz, Rx RF Freqency 20.2 to 21.2 GHz, Rx IF Freqency 950 to 1950 MHz, Output Power 40 dBm. More details for TR-3031-4040 can be seen below.