As shown in the figure, the HA8322(VII) P/T type telephone circuit is composed of components such as TEA1062 and WE9140B. Car Phone Wireless Charging Coil,Circuit Board Induction Coils,Intersection Induction Coils,Induction Coil Set Shenzhen Sichuangge Magneto-electric Co. , Ltd , https://www.scginductor.com