Day Wireless Systems

4700 SE International Way
Portland OR 97222

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Opening Hours

  • Mon: 8am-5pm
  • Tue: 8am-5pm
  • Wed: 8am-5pm
  • Thu: 8am-5pm
  • Fri: 8am-5pm


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Founded in 1905, Day Wireless Systems, formerly known as Estacada Telephone and Telegraph Company, offers digital radio and Internet protocol-based solutions. The company serves the construction, hospitality, manufacturing, retail, transportation and federal government industries. Day Wireless Systems also provides site management, implementation and maintenance services. In addition, the company offers fixed and mobile data services to subscribers. It provides a variety of broadband networking solutions. The company additionally offers biometric solutions that include identity management and criminal application services. Its Mission Critical line includes P25 capable radios. Day Wireless Systems maintains a location in Portland, Ore.