The PE88D4001 from Pasternack Enterprises Inc is a Frequency Divider with Input Frequency 500 MHz to 18 GHz, Output Frequency 125 MHz to 4.5 GHz, Input Power -15 to 10 dBm, Output Power -7 to -4 dBm, Voltage 9 to 15 V. Tags: Module with Connectors. More details for PE88D4001 can be seen below.