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2.2 S850i Technology Overview
The Wireless Base Unit uses DECT connectivity to communicate with the Speaker and Microphones,
and a Bluetooth interface to communicate with the Dialer.
The S850i conference phone is available in two DECT frequencies; DECT 6.0 (1920-1930 MHz) mainly
used in North America and South America and DECT ETSI ETS 300 175 (1880 - 1900 MHz) generally
used in Europe, Asia, Australia, New Zealand, and Africa.
Outstanding HD audio is delivered using codec G.722 and a DECT frequency of up to 11 kHz.