EPSON’s TCXO is self-made products from crystal chips to internal ICs. Which can effectively avoid some production and delivery risks. After convergence and integration of production models, it can effectively increase production efficiency; its product line can support from wireless transmission to 5G base station applications. In the era of the Internet of Things and demanding large data transmission, The TCXO of EPSOn can support very well. In addition, most of EPSON TCXO products can support the voltage control function in PIN 1. That allowing users to be more flexible in selecting the corresponding materials.