The AT-FD128-40H from AT Microwave is a Frequency Divider with Input Frequency 0.5 to 40 GHz, Output Frequency 3.6 MHz to 0.3125 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-FD128-40H can be seen below.