TCXO, 802.11, 19.44MHZ, 3.2MM X 2.5MM; Product Range:I537 Series; Frequency Nom:19.44MHz; Frequency Stability + / -:2ppm; Supply Voltage Nom:3.3V; Oscillator Case:SMD, 3.2mm x 2.5mm; Oscillator Output Compatibility:Clipped Sinewave; Operating Temperature