A PLC Transformer is usded in EV Charger and in HomePlug PLC systems. PLC Transformer allows data communication over standard electrical power lines. 

LAN transformers provide essential signal conditioning, isolation, and noise suppression functions to ensure efficient and reliable data transmission.

A PoE transformer is designed for use in Power over Ethernet applications. PoE is a technology that allows electrical power to be transmitted over Ethernet cables.

A switching mode transformer is commonly used in switching mode power supplies (SMPS). 

G.fast is one of digital subscriber line (DSL) technology,  a technology that enables faster data transmission over copper telephone lines.

VDSL is one of digital subscriber line (DSL) technology,  a technology that enables faster data transmission over copper telephone lines.

An ADSL transformer is used in Asymmetric Digital Subscriber Line systems. It enables high-speed internet access over existing telephone lines.

A gate drive transformer is designed to provide the necessary voltage and current to drive the gate of power semiconductor devices.

A current sense transformer is used to measure AC flowing through a conductor without directly connecting to it. 

A G.hn transformer is an international standard for home networking over various types of existing wiring, including power lines, phone lines, etc.

A balun transformer is a type of transformer that converts between balanced and unbalanced signals.