The TCD4 FEMTOCELL Series from Pletronics is a TCXO with Frequency 8.192 to 40 MHz, Supply Voltage 2.8 to 3.3 V, Tuning Voltage 0.5 to 2.50 V, Current 2 to 4 mA, Phase Noise -145 to -134 dBc/Hz. Tags: Ceramic. More details for TCD4 FEMTOCELL Series can be seen below.