The HD32575 from HD Communications Corp is a Voltage Controlled Oscillator with Frequency 1540 to 1610 MHz, Power 0.5 to 2 mW, Tuning Sensitivity 34 MHz/V, Tuning Voltage 0.5 to 4.5 V, Pulling 1 MHz. Tags: Module with Connectors. More details for HD32575 can be seen below.