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1 - 5 March 2021 // DIGITAL

+++ The entries in the exhibitor & product database correspond to the registration status for embedded world 2020. +++

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Exhibitors & Products embedded world 2020
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HM-BT4502 is a wireless data pass-through module based on CMT4502 Bluetooth Low Energy 5.0 chip. By connecting with MCU, it can quickly realize the connection and data communication between the module and Bluetooth devices such as smartphones and tablets. MCU takes up less resource and development is simple. Module Features Easy to use without any experience in Bluetooth stack application User interface uses universal serial port design, full-duplex two-way communication, minimum baud rate support 9600 bps Default connection interval is 30 millisecond, fast connection Support 2M symbol transmission Support 244 bytes packet transmission Support AT instruction for software reset and get MAC address Support AT instruction to set Bluetooth connection interval and control different forwarding rates (dynamic power adjustment) Support AT instruction to adjust Tx power, modify advertisement interval, customize advertisement data, customize device identification, set data delay (user MCU serial port reception preparation time) Electrical Characteristics Working voltage: 1.8V-3.6V Working temperature: - 40℃~125℃ (built-in BLE main IC working range) Modulation mode: GFSK (Gaussian Frequency Shift Keying) Modulation frequency: 2402MHz-2480MHz Transient current of receiving data: less than 8mA@3V Transient current of sending data: less than 8mA@3V@0dBm Current in the low power mode: less than 4uA@3V Tx power: - 20dBm ~+8dBm Rx sensitivity: -97dBm


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