Released on: May 14, 2008, 11:57 pm

Press Release Author: GAOFiberOptics staff editor

Industry: Marketing

Press Release Summary: Toronto, ON – GAOFiberOptics Inc., supplier of test and
measurement equipment, has recently released a new series of selected SFP Bi-di LC
transceivers. The transceivers are completely compatible with most popular SFPs, for
example, CISCO’s SFPs. Depending on the intended use, GAOFiberOptics’s array of
transceivers support distances varying from 20km to 80km.

Press Release Body: For Immediate Release

GAOFiberOptics Inc. Releases SFP Bi-di LC Transceivers

Toronto, ON – GAOFiberOptics Inc., supplier of test and measurement equipment, has
recently released a new series of selected SFP Bi-di LC transceivers. The
transceivers are completely compatible with most popular SFPs, for example, CISCO’s
SFPs. Depending on the intended use, GAOFiberOptics’s array of transceivers support
distances varying from 20km to 80km.

GAOFiberOptics’s current offering includes the models listed below. Further details
are available on the Web site at www.GAOFiberOptics.com:

WTR-03-335-177133 GLC-FE-100BX-U Compliable, 1310nm FP 20km, 20dB
WTR-03-353-177133 GLC-FE-100BX-D Compliable, 1550nm FP 20km, 20dB
WTR-03-335-177133M 155Mbps, 1310Tx/1550Rx FP MM Coupling 2km, 20dB
WTR-03-353-177133M 155Mbps, 1550Tx/1310Rx FP MM Coupling 2km, 20dB
WTR-03-135-177133 1310Tx/1550Rx FP 40km, 29dB
WTR-03-153-277133 1550Tx/1310Rx DFB 40km, 29dB
WTR-03-045-277133 1490Tx/1550Rx DFB, 80km,30dB
WTR-03-054-277133 1550Tx/1310Rx DFB, 80km, 30dB
WTR-24-334-178133 GLC-BX-D Compliable, 1310nm FP 15km, 12.5dB, with DDMI
WTR-24-343-278133 GLC-BX-U Compliable, 1490nm FP 15km, 12.5dB, with DDMI
WTR-24-335-177133M 1.25Gbps, 1310Tx/1550Rx FP MM Coupling 500m, 12.5dB
WTR-24-353-177133M 1.25Gbps, 1550Tx/1310Rx FP MM Coupling 500m, 12.5dB
WTR-24-335-177133 1310Tx/1550Rx FP 15km, 12.5dB
WTR-24-353-277133 1550Tx/1310Rx FP 15km, 12.5dB
WTR-24-135-277133 1310Tx/1550Rx DFB 40km, 21dB
WTR-24-153-277133 1550Tx/1310Rx DFB 40km, 21dB
WTR-24-045-277133 1490Tx/1550Rx FP 80km, 24dB
WTR-24-054-277133 1550Tx/1310Rx FP 80km, 24dB

About GAOFiberOptics Inc.
GAOFiberOptics Inc., a member of GAO Group, is a leading provider of embedded
development tools, telecommunication testers, electronic measurement instruments,
video surveillance, alarm and other electronic products that serve the needs of
electronic professionals internationally. For further information, please visit
http://www.GAOFiberOptics.com.

GAO Group consists of
• GAO RFID Inc. www.GAORFID.com
• GAO Tek Inc. www.GAOTek.com
• GAOFiberOptics Inc. www.GAOFiberOptics.com
• GAO Embedded Inc. www.GAOEmbedded.com
• GAO Instruments Inc. www.GAOInstruments.com
• and GAO Comm Inc. www.GAOComm.com
• GAO Research Inc. www.GAOResearch.com
• WowGao Inc. (www.WowGao.com)



Web Site: http://www.GAOFiberOptics.com

Contact Details: address 601 Milner Avenue,3rd Floor
Toronto,ON,M1B 2K4,Canada
Ontario
tel 416-292-0038
fax 416-292-2364