# Devices ETM PowerSync talks to equipment over Modbus (TCP/RTU) and vendor-specific protocols, through the bundled plugins. - [Compatibility](compatibilite.md) — full matrix with APT channels - [Meters](compteurs/index.md) — Eastron SDM, ABB B2x - [EV chargers](bornes/index.md) — ABB Terra AC, Keba - [SmartDevices](smart/index.md) — Shelly, Tasmota, GPIO