ParkerVision, Inc. (ParkerVision), is engaged in the business of designing, developing and selling its radio frequency (RF) technologies and products for use in semiconductor circuits for wireless communication products. The Company is in the business of innovating fundamental wireless technologies. In addition, from time to time, the Company provides engineering consulting and design services to its customers, for a negotiated fee, to assist them in developing prototypes. The Company�s ois focused on incorporating its technologies into mobile handsets for 3G and 4G cellular networks, but its technologies are applicable to other wireless products that incorporate RF transmitters, receivers, and/or transceivers, some of which are related to networks serving mobile handsets such as data cards, femtocells, machine-to-machine, and embedded applications.