RDA Micro is now UNISOC.

As a core subsidiary of Tsinghua Unigroup, UNISOC is a leading fabless semiconductor company committed to the independent R&D of core chipsets in mobile communications and IoT. Its products cover mobile chipset platforms supporting 2G / 3G / 4G communication standards, RF chipsets, wireless connection chipsets, security chipsets, TV chipsets, and image sensor chipsets. With more than 4,500 staff, 14 R&D centers and 7 customer support centers around the world(as of Jan 2018), UNISOC has been the top 3 mobile baseband chipsets supplier in terms of global market share, and the largest pan-chip supplier in China with leading 5G technology.

RDA Microelectronics was established in 2004, is committed to RF and mixed signal chip and system on chip design, development, manufacturing, sales and provide related technical consultation and technical service. Its products mainly include: GSM baseband / multi standard RF transceiver chip / multi standard RF power amplifier chip / Bluetooth, wireless, FM radio chip / tuner set-top boxes / digital and analog TV chip / intercom transceiver / Satellite TV tuner. At the same time, the company is committed to the development of intelligent machine system and 3G/4G communication terminal platform to provide customers with excellent mobile platform products in China and the world's emerging markets.

www.rdamicro.com/