A telecommunications system comprises a core network, an access control function and a plurality of radio access networks. The method comprises providing a centralized intellectual property market accessible to others in which one or more financial instruments, each instrument representing an interest in at least one intellectual property asset, may be exchanged in one or more transactions for a tangible value. Doppler features are extracted from the reflected Doppler signal, and the Doppler features are classified using a set of Doppler models storing the Doppler features and identities of known gestures to recognize and identify the unknown gesture, wherein there is one Doppler model for each known gesture. One end of the tube extension is attached to the door glass clamp and the pivot rod structure extends from the other end.