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Bluetooth Audio Module
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The BM840 is a Class 2 Bluetooth sub-system using CSR8640 chipset from leading Bluetooth chipset supplier Cambridge Silicon Radio. It is a single-chip radio and baseband IC for Bluetooth 2.4GHz systems.The integrated peripherals reduce the number of external components required, including no requirement for external codec, battery charger, SMPS, LDOs, balun or external program memory, ensuring minimum production costs.
Features: Bluetooth Spec 4.0 Compliant Class 2 type Output Power Support A2DP 1.2,AVRCP V1.4,HSP 1.2 and HFP 1.6 Profiles Secure simple pairing, CSR's proximity pairing and CSR's proximity connection HFP v1.6 includes wideband speech and mSBC Codec. CSR's latest CVC technology audio enhancement Multipoint connection to 2 phones for voice and Music Support for multi-language programmable audio prompts OS battery status monitoring and smart apps Voice recognition support for answering a call, enables true hands-free use Wired audio support (USB and analogue) SBC, MP3, and AAC decoder support 5-band fully configurable EQ Integrated dual switch-mode regulators, linear regulators and battery charger Support for 802.11 Co-existence Size: 15mm x 11mm x 2.35mm