The SBD080210-B2 from Sainty-Tech Communications Limited is a Frequency Multiplier with Output Frequency 8 to 21 GHz, Input Power 5 dBm, Output Power 17 dBm, Harmonics 22 to 28 dBc, Frequnecy 4 to 10.5 GHz. Tags: Die. More details for SBD080210-B2 can be seen below.