Network and Communication Chips from RS Components, Ltd.


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The Microchip BM77 Bluetooth 4.0 module is a Dual-Mode device able to communicate with other devices operating under Bluetooth Classic or BLE protocols.
Class 2 Bluetooth Classic and BLE Dual Mode. RF Output Power: +2dBm. Receiver sensitivity -90dBm (Classic), -92dBm (BLE). OTA Data Rate: 3Mbps (Classic), 8Kbps (BLE) . Embedded Bluetooth stack. GAP, SDP, SPP, GATT profiles supported. Host communication: serial UART with CTS/RTS flow control. Easy to use transparent mode for data transfer via UART. Firmware is field upgradable via UART. Default automatic configuration mode for quick setup. Easy to configure with Windows® GUI or direct by MCU. I²C bus expansion port. Secure AES-128 encryption. Chip antenna with optional external antenna connection. Power supply: +3.3V to +4.3Vdc. Operating temperature range: -40 to +85°C. Surface mount module: 22 x 12 x 2.4mm. Castellated surface mount pads for easy and reliable host PCB mounting. Applications: Remote control/sensing, local communication for the Internet of Things (IoT)
Bluetooth Class = Class 2
Bluetooth Version = 4.0
Maximum Output Power = +2dBm
Receiver Sensitivity = -90 (Classic) dBm, -92 (LE) dBm
Supported Bus Interfaces = UART
Supported I/O Interfaces = Serial
Dimensions = 22 x 12 x 2.4mm
Height = 2.4mm
Length = 12mm
Maximum Operating Temperature = +85°C


Microchip Technology, Inc.
Manufacturer Part Number
Product Category
Network and Communication Chips
Operating Temperature
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