HopeRF HM-BT4502 Bluetooth Low Energy 5.0 Module

Description

The HopeRF HM-BT4502 is a compact, surface-mount Bluetooth Low Energy 5.0 module engineered for straightforward wireless data bridging. It integrates the CMT4502 BLE chipset, providing a complete RF front-end, antenna matching, and protocol stack to offload complex wireless processing from the host microcontroller. The module communicates via a standard serial UART interface, supporting baud rates down to 9600 bps, which simplifies firmware development and accelerates time-to-market for IoT products.

Architected for low-power operation, the module supports dynamic power adjustment via AT commands, allowing developers to optimize the connection interval and data forwarding rate for specific application needs. Its RF performance, with a tunable transmit power up to +8dBm and a sensitive -97dBm receiver, ensures robust connectivity for indoor and short-range outdoor deployments. The module’s small footprint and wide operating voltage range make it an ideal choice for integrating BLE connectivity into portable sensors, smart home accessories, and industrial telemetry devices.