The BSLI10 from Bonn Hungary Electronics (BHE) is a Phase Locked Oscillator with Frequency 10 MHz, Frequency Stability ±0.005 ppm, Output Power 10 to 13 dBm, Reference Frequency 10 MHz, Reference Power -5 to 15 dBm. Tags: Rack Mount, PLXO. More details for BSLI10 can be seen below.