The SLSM5-0520 from Luff Research, an Ironwave Technologies Company is a Frequency Synthesizer with Frequency 0.5 to 20 GHz, Step Size 1 KHz, Reference Frequency 10 MHz, Output Power 12 to 16 dBm, Output Power Variation ±3 dB. Tags: Module with Connectors, PLL Frequency Synthesizer. More details for SLSM5-0520 can be seen below.