Raytac's also provides the RF module custom design capability.  We design from 2.4 GHz, 900 MHz, 433 MHz and so on, from one way transmitter/receiver up to two way transceiver module. 

With the customer requirement, we can also provide the module for electronic use (input devices, remote controller, etc.), also for the electrical use (Garage door, window shade, lighting system, projector screen, etc.).