... : 79 channelsModulation π/4 DQPSK (2Mbps) and 8DPSK (3Mbps)Data transmission speed up to 3MbpsReceiving sensitivity: Better than -75dBm @ 0.1% BERPower ... Exchange, and HeadsetInternal 48kbyte RAM, allows full speed data transfer, mixed voice and data, and full Piconet operation, including all medium rate preset ...