Hi, We are designing a product which is a IP phone with cordless handset.We are planning to OEM the Cordless handset and base station module circuit for our system.Following are the expected interfacing with the controller of handset:BatterySingle RGB LED indication for Battery statusKeys interfaceEarpieceMicLoud speaker (Inbuilt audio amplifier recommended)RF interfce (2.4MHz, 5.8MHz and 1.9MHz preffered) Please suggest the available option with youRegards,bhasha. Show More