The T1300 from Greenray Industries is a TCXO with Frequency 10 to 50 MHz, Supply Voltage 3 to 5.25 V, Current 20 Ma, Load Capacitance 15 pF, Phase Noise -162 to -100 dBc/Hz. Tags: Dual In-line, Low G Sensitivity, Low Phase Noise. More details for T1300 can be seen below.