The SMV1679L-LF from Z-COMM is a Voltage Controlled Oscillator with Frequency 1678 to 1680 MHz, Power 0.316 mW, Tuning Sensitivity 50 MHz/V, Tuning Voltage 0 to 5 V, Pulling 20 MHz. Tags: Surface Mount. More details for SMV1679L-LF can be seen below.