Sunrise Telecom Introduces 3GMaster: A Network Monitoring Solution for Cellular awnd Wireless Networks

Business Wire, May 1, 2002

Business Editors/High-Tech Writers

SAN JOSE, Calif.--(BUSINESS WIRE)--May 1, 2002

Sunrise Telecom Incorporated (Nasdaq:SRTI), a leading provider of service verification equipment for telecommunications, cable TV, and Internet networks, introduces the new 3GMaster, designed for extensive Cellular and Wireless 2nd and 3rd generation network and protocol monitoring. The 3GMaster supports the following protocols: GSM Phase 2 and 2.5, GPRS, UMTS, CDMA, VoIP, SS7, and Datacom.

Designed to meet the needs of Cel77lular network operators and Wireless equipment manufacturers, the 3Gmaster provides testing capabilities for installation and commissioning, network troubleshooting and maintenance, billing verification, and Quality of Service analysis. The 3GMaster incorporates an easy-to-use operator interface with the capability to run 3 different tests and operate with 8 different users simultaneously.

Features:

-- Full coverage of all A and A-bis interfaces for GSM Phase 2 and 2.5,
including proprietary O&M parts

-- Comprehensive analysis over all Gx interfaces for GPRS

-- Support for UMTS Control Planes and Mobile Application Part 3G

-- Call Detail Record for GSM, CDMA, GPRS, and UMTS protocol decodes

-- Full protocol trace and IP support

-- Voice Over IP Protocol Analysis

-- Call Completion Analysis

-- Portable and rackmount units available

-- Interfaces include: E1/T1, LAN Ethernet 10/100Base-T, and ATM OC3/STM-1

The 3GMaster Cellular Network protocol analyzer will be available for demonstration May 2002.

About Sunrise Telecom Incorporated

Sunrise Telecom manufactures and markets service verification equipment to pre-qualify, verify, and diagnose telecommunications, cable TV, and Internet networks. For more information, visit the company's website at www.sunrisetelecom.com.

Except for specific historical information, the matters discussed in this press release may contain forward-looking statements, including, but not limited to, earnings and sales projections, that are subject to certain risks and uncertainties that could cause actual results to differ materially from those projected. Such factors include: our dependence on a limited number of major customers; delays in product development and delivery schedules; deferred or lost sales resulting from our lengthy sales cycle; increased competitive pressures; rapid technological change within the telecommunications industry; our dependence on limited source suppliers; special risks associated with international operations; as well as the risk factors listed from time to time in our SEC reports, including but not limited to our Form 10-K for the year ended December 31, 2001 and other SEC filings, copies of which are available from our Investor Relations Department. We assume no obligation to update the forward-looking statements included in this press release.