The 161 Series from Oscilent is a RF Quartz Crystal with Frequency 10 to 125 MHz, Frequency Tolerance ±10 ppm, Drive Power Level 0.05 to 1 mW, Load Capacitance 18 pF, Shunt Capacitance 7 pF. Tags: Thru Hole. More details for 161 Series can be seen below.