The recommended antenna design is a 1/4 wavelength monopole antenna with a 50-ohm impedance. The antenna should be placed at least 10mm away from the module to ensure optimal performance.
To configure the module for low power consumption, set the sleep mode to 'deep sleep' and adjust the transmission power to the lowest level required for your application. Additionally, consider using a low-power MCU and optimizing your firmware to minimize power consumption.
The maximum transmission distance of the BT840 module is approximately 100 meters (330 feet) in open space, but this can vary depending on the environment, antenna design, and transmission power.
Yes, the BT840 module is designed to operate in harsh industrial environments with temperatures ranging from -40°C to 85°C (-40°F to 185°F). However, it's essential to ensure proper thermal management and protection from moisture and physical stress.
To implement secure data transmission, use the built-in encryption and authentication features of the BT840 module. Enable encryption using the AES-128 algorithm and implement authentication using a secure protocol such as SSL/TLS or a custom authentication mechanism.
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BT840 Overview
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