ING91870CQ is an ultra-low power 32pin, QFN32 4x4 BLE5.1 SoC. It is based on TSMC 40nm process, running at 48MHz clock, with built-in 512KB eFlash and 128KB RAM, and working temperature -40~125℃. It supports indoor positioning, multi-connection and other BLE5.1 features. It is an ideal choice for intelligent automotive applications such as TPMS, Keyless Entry, ETC, BMS etc.