ISCO's Digital Adaptive Notch Filter (dANF) Technology Restores Capacity, Coverage and Data Throughput for Wireless Networks

June 16 2006

ISCO International, Inc. (AMEX: ISO),a leading supplier of RF-conditioning and interference-control solutionsfor the wireless telecommunications industry, today announced theavailability of its next-generation digital Adaptive Notch Filter™(dANF) technology for the wireless industry.

Unprecedented cellular growth and increasing system complexity, have led todynamic interference environments for cellular operators. To-date, theindustry has relied on fixed, high-performance specialty filters to protectcell sites from unwanted in-band, fixed interference. In reality, thepredominant sources of interference are random and varying in nature, andtypically change by day, time, frequency and amplitude due to changes intopology, cell-loading, site additions and competitive systems.

The ISCO dANF employs adaptive interference identification techniques tomitigate the effects of this dynamic interference in wireless networks.This innovative new platform integrates digital signal processing andcharacterization with ISCO's highly successful and patented ANF filteringtechniques, in a powerful, Linux-based system architecture. The dANF is aninnovative and cost-effective solution for interference mitigation inwireless systems worldwide.

"With the launch of the digital ANF platform, we've taken the next step inour overall strategy of bringing highly differentiated, software-basedproducts to the wireless industry," said Neal Campbell, Executive VicePresident, Next Generation Products. "The digital Adaptive Notch Filter canprovide significant performance gains for CDMA voice, EV-DO and UMTSnetworks impaired by in-band interference."

Interference

Interference in cellular networks can take on a variety of forms.Intra-system interference (including self induced inter-modulation) causedby co-location with other carriers and technologies often createschallenging interference environments. Cross border transmissions fromtraffic on a competing carrier's network, spurious emissions from FM,terrestrial microwave and corporate data links are other typical sources ofdynamic, time varying interference. These types of environments requireadaptive interference mitigation techniques. One of the most ubiquitousvarieties results from re-mining existing 2G spectrum with 3G technologies.

dANF Technology Overview

The digital Adaptive Notch Filter (dANF) identifies, prioritizes andsuppresses up to three random and dynamic interference signals that arewithin the receive bands of mobile communication systems. These in-bandinterference signals are especially prevalent in spread spectrum(CDMA/UMTS/WiFi) mobile systems, and are extremely difficult to controlusing conventional means. ISCO's new Linux and DSP based product hasimproved cost, performance, and time-to-market advantages over existingsolutions, especially in anticipation of the increased system demandsbrought about by 2.5G and 3G cellular architectures. This adaptiveinterference management (AIM) platform provides the foundation for futureapplications of software-based filtering in WiMax, and other 4th Generationwireless systems.

The dANF technology is compatible with all spread spectrum-based wirelesstechnologies (CDMA, UMTS, WiFi). The product integrates seamlessly with allwireless infrastructure manufacturers' cell site equipment. Importantly,due to the flexible Linux architecture, it is possible to future proof yournetwork from new types and modes of interference as new wirelesstechnologies are introduced.

For additional information on ISCO and digital Adaptive Notch Filters,contact danfsales@iscointl.com or visit www.iscointl.com. Here you willfind additional information, white papers and customer presentations.

About ISCO International

ISCO International, Inc. is a leading global supplier of radio-frequencymanagement and interference-control systems for the wirelesstelecommunications industry. By integrating state-of-the-art filtering,duplexing & low noise amplifier technology, we improve the performance ofnew and existing cellular deployments. ISCO products focus onsoftware-based, adaptive filtering solutions targeted at increasing theperformance of CDMA and WCDMA wireless systems worldwide.

Safe Harbor Statement

Because the Company wants to provide investors with meaningful and usefulinformation, this news release contains, and incorporates by reference,certain "forward-looking statements" that reflect the Company's currentexpectations regarding the future results of operations, performance andachievements of the Company. The Company has tried, wherever possible, toidentify these forward-looking statements by using words such as"anticipates," "believes," "estimates," "expects," "plans," "intends" andsimilar expressions. These statements reflect the Company's current beliefsand are based on information currently available to it. Accordingly, thesestatements are subject to certain risks, uncertainties and contingencies,which could cause the Company's actual results, performance or achievementsto differ materially from those expressed in, or implied by, suchstatements. These factors include, among others, the following: marketacceptance of the Company's technology; the spending patterns of wirelessnetwork operators in connection with the build out of 2.5G and 3G wirelesssystems; the Company's ability to obtain additional financing in thefuture; the Company's history of net losses and the lack of assurance thatthe Company's earnings will be sufficient to cover fixed charges in thefuture; uncertainty about the Company's ability to compete effectivelyagainst better capitalized competitors and to withstand downturns in itsbusiness or the economy generally; continued downward pressure on theprices charged for the Company's products due to the competition of rivalmanufacturers of front-end systems for the wireless telecommunicationsmarket; the timing and receipt of customer orders; the Company's ability toattract and retain key personnel; the Company's ability to protect itsintellectual property the risks associated with foreign operations and therisks of legal proceedings. A more complete description of these risks,uncertainties and assumptions is included in the Company's filings with theSecurities and Exchange Commission, including those described under theheading "Risk Factors" in the Company's Annual Report on Form 10-K. Youshould not place undue reliance on any forward-looking statements. TheCompany undertakes no obligation to release publicly the results of anyrevisions to any such forward-looking statements that may be made toreflect events or circumstances after the date of this Report or to reflectthe occurrence of unanticipated events.

CONTACT:Neal CampbellEVP Next Generation Products1-847-391-9416Email Contactwww.iscointl.com

SOURCE:  ISCO International, Inc.