The RQR-FREQ-HF-Series from Raltron is a Voltage Controlled Oscillator with Frequency 6000 to 12000 MHz, Power 0.1 to 1 mW, Tuning Voltage 0 to 15 V, Pulling 2.5 MHz, Pushing 3 MHz/V. Tags: Surface Mount. More details for RQR-FREQ-HF-Series can be seen below.