TCXO, 802.11, 19.44MHZ, 5MM X 3.2MM; Product Range:I533 Series; Frequency Nom:19.44MHz; Frequency Stability + / -:2ppm; Supply Voltage Nom:3.3V; Oscillator Case:SMD, 5mm x 3.2mm; Oscillator Output Compatibility:Clipped Sinewave; Operating Temperature Min