Yealink 5 V 1.2 A Power Supply
5V, 1.2A AC power supply for the T21,T23, T27G, T41, T53, T53W, T41 and T42.
Yealink Phones do not include power supplies. In most cases we provide a POE Switch which removes the requirements for a power supply. For cases where the POE switch is not used, the power supply is required.