The SLSM5-812 from Luff Research, an Ironwave Technologies Company is a Frequency Synthesizer with Frequency 8 to 12.5 GHz, Step Size 1 kHz, Reference Frequency 10 MHz, Output Power 10 to 14 dBm, Output Power Variation ±2 dB. Tags: Module with Connectors, Single Loop Synthesizers. More details for SLSM5-812 can be seen below.