The MLSP-4689 from Micro Lambda Wireless, Inc. is a Frequency Synthesizer with Frequency 4.6 to 8.6 GHz, Step Size 1 KHz, Output Power 13 dBm, Output Power Variation 3 dB, Supply Voltage 5 to 15 VDC. Tags: Module with Connectors. More details for MLSP-4689 can be seen below.