This specification, recently published by the Bluetooth SIG, aims to improve consumer usability by enhancing coexistence with LTE, data exchange rates, and the flexibility for developers to create devices that can assume multiple roles simultaneously.

The new version also lays the groundwork for IP-based connections, expanding the role of Bluetooth technology, the essential wireless connection for the Internet of Things.

AT4 Wireless is an Official Bluetooth Qualification Test Facility (BQTF), authorized by the Bluetooth SIG for Bluetooth Qualification testing. It provides a comprehensive service to manufacturers wishing to qualify their Bluetooth 2.0/2.0+EDR, 2.1/2.1+EDR, 3.0/3.0+HS, 4.0/4.0+HS (BR/EDR/LE/HS), and 4.1 products. Furthermore, AT4 Wireless has two of the 49 Bluetooth Qualification Experts (BQEs) worldwide

Backed by more than 10 years of experience in Bluetooth wireless technology, AT4 wireless provides a complete package of services to Bluetooth equipment manufacturers, including conformance and interoperability testing for radio frequency, protocols and profiles, pre-testing, debugging and qualification services, as well as providing international certification services in more than 200 countries.

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