The Model 805-SG from Berkeley Nucleonics Corp is a Frequency Synthesizer with Frequency 100 kHz (8 kHz with option 8K) to 20 GHz, Resolution 0.5 dB, Reference Frequency 10 MHz, 100 MHz, 1 GHz, Output Power -20 to +16 dBm, Supply Voltage 12 to 24 V. Tags: Module with Connectors. More details for Model 805-SG can be seen below.