CY8CKIT-143A PSoC™ 4 BLE 256K Module Infineon Technologies CY8CKIT-143A PSoC™ 4 BLE 256K Module provides designers with a certified, 45mm x 27mm x 2mm, easy-to-use solution for creating a complete BLUETOOTH® Low Energy (BLE) system. The CY8CKIT-143A includes a PSoC 4 BLE device with 256KB internal flash, 24MHz and 32.768kHz crystals, a PCB antenna, and other passives. The CY8CKIT-143A provides easy access to all GPIOs on the device.