The ECXV-L37C2N-1268.700 from ECS Inc. International is a VCXO with Frequency 1.2687 GHz, Frequency Stability ±25 ppm, Supply Voltage 3.3 V, Current 28 mA, Pulling ±90 ppm. Tags: Surface Mount. More details for ECXV-L37C2N-1268.700 can be seen below.