PSoC™ 4 BLE Modules Infineon Technologies PSoC™ 4 BLE Modules are ideal for IoT applications requiring a small module footprint, cost optimization, extended operating temperature, and long-range communication. These certified programmable module solutions are easy to use and have a small 10x10x1.8mm footprint. The modules feature long-range BLE options for up to 400 meters of line-of-sight communication.