The SLSM5-24 from Luff Research, an Ironwave Technologies Company is a Frequency Synthesizer with Frequency 2 to 4 GHz, Step Size 1 kHz, Reference Frequency 10 MHz, Output Power 13 to 16 dBm, Output Power Variation ±3 dB. Tags: Module with Connectors, PLL Frequency Synthesizer. More details for SLSM5-24 can be seen below.