FASST = Futaba Advanced Spread Spectrum Technology
BLHeli = BLHeli is currently the most popular ESC (electronic speed controller) firmware currently used on quadcopters and other multirotors as it works realy well. However not as many people know about the OneShot mode which significantly improves the performance of your mini FPV quadcopter.
DSMR = DSMR technology is exclusive Spektrum 2.4GHz radio control technology that can be used with any type of land-based RC vehicle or boat. Its range and response, particularly in noisy 2.4GHz environments, are superb. Its also backwards compatible with DSM, DSM2 and marine-specific Spektrum receivers.
FHSS = Frequency-Hopping Spread Spectrum