I737-2P3-40.0000MHZ ILSI AMERICA VCTCXO, 802.11, 40MHZ, 3.2MM X 2.5MM; Product Range:I737 Series; Frequency Nom:40MHz; Frequency Stability + / -:2ppm; Supply Voltage Nom:3.3V; Oscillator Case:SMD, 3.2mm x 2.5mm; Oscillator Output Compatibility:Clipped Sinewave; Operating Temperature Min