ThinkRF R5500/R5550 firmware 1.6.5 ThinkRF R5700/R5750 Firmware 1.1.4 C API 3.8.4 C++ API v1.5.5MATLAB API v4.2.1 PyRF3 API v3.0.2-3.0.4 ThinkRF S240v5 Real-Time Spectrum Analysis Software v5.1.1