Description
The HM-BT4502 from Seeed Studio Studio is a dedicated Bluetooth Low Energy 5.0 serial pass-through module designed to simplify wireless connectivity for embedded systems. Built around the CMT4502 RF chip, it provides a robust, transparent serial link between a host microcontroller and any BLE-capable device, such as a smartphone or tablet, requiring minimal firmware development effort.
Operating from 1.8V to 3.6V, the module is optimized for battery-powered IoT applications, featuring configurable transmit power from -20dBm to +8dBm and a receiver sensitivity of -97dBm for reliable communication range. Its comprehensive AT command set allows developers to dynamically adjust connection parameters, customize advertisement data, and manage power states without complex BLE stack programming.
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