The OK-XBFXXXX-X Series from NEL Frequency Controls is a TCXO with Frequency 30 MHz to 2 GHz, Supply Voltage 3.3 to 5.25 V, Current 30 to 100 mA, Output Power 0 to 7 dBm, Output Load 15pf. Tags: Surface Mount, Low G Sensitivity. More details for OK-XBFXXXX-X Series can be seen below.