The AT-FD4-30 from AT Microwave is a Frequency Divider with Input Frequency 0.5 to 30 GHz, Output Frequency 0.125 to 7.5 GHz, Input Power -10 to 7 dBm, Output Power -5 to -3 dBm, Voltage 5 to 8 V. Tags: Module with Connectors, Fixed. More details for AT-FD4-30 can be seen below.