The A248-4X-31 from Spacek Labs is a Frequency Multiplier with Input Frequency 5 to 7 GHz, Output Frequency 20 to 28 GHz, Input Power 13 dBm, Output Power 31 to 32 dBm, Frequnecy 5 to 7 GHz. Tags: Active. More details for A248-4X-31 can be seen below.