The CC2541F256TRHARQ1 is an integrated single-chip Bluetooth low energy (BLE) system-on-chip (SoC) with an advanced Q1-grade version (Class II 2Mbps Automotive) manufactured by Texas Instruments. It is a 40-pin Automotive-grade very-thin quad flat no-lead (VQFN EP) through-hole (T/R) package. The CC2541F256TRHARQ1 is designed to meet the industrial specifications for performance, robustness, power consumption, and range, allowing it to deliver a secure, reliable, and effective Bluetooth solution. It is also compliant with Bluetooth v4.0 (BLE) SMART, supporting the Broadcom and Nordic protocol stacks. This IC is suitable for low-power applications such as high-precision data collection, health monitoring, LED lighting control, and home automation that require long battery life.