1. Annual Meeting of Shareholders June 10, 2015 Welcome!

2. Focus on Core Expertise: - MW & RF for T&M Instruments Segment and Network Solutions Segment Value Creation: - WTT FMV 6/10/14 $2.50 vs. 6/5/15 $2.26; - Year end 2014 Revenue inc. 19% to $40.3m - 2014 EBITDA increased 44% to $5.4m Year End Summary

3. Markets We Serve Defense Contractors Research Institutions Government Agencies Military FAA / radar systems Government/Defense Cell Tower In-building & Outdoor DAS System Integrators Network Operators Railway & Public Transportation Wireless Operators Satellite Security Medical Systems Industrial RF Commercial/Industrial

4. Cisco Forecasts 15.9 Exabytes per Month of Mobile Data Traffic by 2018

5. Balance Sheet 12/31/13 & 12/31/14 12/31/13 12/31/14 Cash & Investments $ 16.6 $ 10.7 Working Capital 29.2 24.6 Total Assets 43.4 36.3 Total liabilities 3.2 2.7 Shareholders’ Equity $ 40.3 $ 33.6 Market capitalization $50.9 $ 50.0 Share price $2.12 $ 2.62

6. 2a. Segment Results – YE 2013 & YE 2014 Wireless Telecom Group, Inc. Segment Results 2013 & 2014 (000’s) T&M 2013 2014 Inc (Dec) Segment sales $11.8$12.1 $.3 3% Segment income $ 1.2$ 1.1 $(.1) ( 8%) Network Solutions Segment sales $22.0$ 28.2 $ 6.2 28% Segment income $ 5.6$ 7.6 $ 2.0 36%

7. Strategic levers To Increase Shareholder Value in 2015 1.Drive Organic growth: (Revenue & NI/EBITDA) a. Current products - new markets b. Application enhancements c. New product development d. Co-develop products through strategic partnerships 2.Cost management: Crossover R&D projects 3.Strategic growth: M&A/Partnering opportunities

8. Thank you! Except for historical information, the matters discussed in this news release may be considered "forward-looking" statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Such statements include declarations regarding the intent, belief or current expectations of the Company and its management. Prospective investors are cautioned that any such forward-looking statements are not guarantees of future performance and involve a number of risks and uncertainties that could materially affect actual results. Such risks and uncertainties are identified in the Company's reports and registration statements filed with the Securities and Exchange Commission, including its Annual Report on Form 10- K for the year ended December 31, 2014