ISCO International, Inc. engages in the development and sale of solutions that optimize the radio frequency link within wireless networks in the United States. Its product portfolio includes adaptive notch filter platform (ANF) and reverse link radio frequency fidelity platform (RF²). ANF products enable to monitor radio frequency spectrum and block spontaneous interference occurring within the spectrum. RF² products are used to reduce the noise figure in a base station and to process wireless signals. The company primarily offers its products to the wireless telecommunication providers and wireless networks. ISCO International was founded in 1989 and is headquartered in Elk Grove Village, Illinois.