Welcome to the CellStream Blog, your trusted source for networking, telecommunications, broadband, Wireshark, and Internet technology insights. Our articles are designed to help engineers, technicians, IT professionals, and technology enthusiasts deepen their knowledge, sharpen their troubleshooting skills, and stay current with emerging industry trends.
From practical how-to guides and protocol deep dives to real-world troubleshooting techniques and expert analysis, we provide content that bridges theory and application. Whether you’re exploring new technologies, solving complex network challenges, or advancing your professional expertise, the CellStream Blog delivers actionable knowledge you can apply immediately. Join us as we share decades of industry experience to help you learn, analyze, troubleshoot, and succeed.
You can select tags in the tag cloud to quickly list all articles on that particular subject.
Post Views: 7,393 The Coronavirus (SARS-CoV-2) pandemic and the COVID-19 disease has changed our lives: the way we socialize, travel, exercise, work, play, and learn. Social distancing by working from home and learning from home has become a requirement, not just a lucky or cool thing. This has resulted in an almost overnight dependency and […]
Designing Courses for Online Web Based Training Read More »
Post Views: 1,711 Back around the turn of the century (Y2K), I had a small, developing training and consulting company on my hands – CellStream, Inc. founded in 1998 – and we were all about the Internet and Internet based everything. So we promoted Internet based business solutions and learning. We were early adopters of
Cisco Webex vs. HP My Room vs. Zoom Read More »
Post Views: 3,454 CellStream is proud to announce, and congratulates, Mr. Andrew Walding on attaining his CBRS Certified Professional Installer certification from Google! As discussed in the CBRS overview article, CBRS license holders need an account with one of the SAS providers, and then they need a CPI to actually certify and log their CBSD/Antennas
CBRS Certified Professional Installer (CPI) Services Read More »
Post Views: 2,975 If you haven’t heard by now, there is a new and innovative way to allocate wireless spectrum. It is called CBRS – or Citizens Broadband Radio Service. In our opinion every service provider, rural or otherwise, should be actively engaging this new methodology and ramping yup their awareness and participation in CBRS.
CBRS – the new way to allocate Wireless Spectrum Read More »
Post Views: 6,857 If you have attended any of my presentations of WLAN/Wi-Fi Security or even my Security Courses,you know that the design of WLAN/Wi-Fi networks leaves a lot to be desired when it comes to security. This is also evidenced by the law suit against Amazon with hackers allegedly controlling Ring cameras. I have always
Best Practices for Securing your WLAN/Wi-Fi Network at Home or Small Business Read More »
Post Views: 4,515 Here is the download link: https://github.com/HelgeMagnusKeck/WinFi – look to the right, you will see Releases, and the latest release can be downloaded. Here is the Discord Server to join in discussions and request PRO Engineer version activation: https://discord.gg/4GTv5ED7 This tool is free – and there is a PRO Engineer version that costs
Fantastic Free Wi-Fi Analyzer for Windows – WinFi Read More »
Post Views: 1,617 It used to be pretty simple to adopt and learn the necessary knowledge and skills for a career in the field of Networking (we call it Network Science). It usually involved a non-university certification program (Cisco or Juniper or someone else), a bunch of money, and a bunch of time dedicated to the
The Evolving Networking Skill Set Read More »
Post Views: 1,529 In a recent video call with a service provider technical lead, it seemed that every question I answered, whether it was about Wi-Fi or network testing/analysis or troubleshooting, I kept referring to, and sharing what I could do on my Linux laptop. It was not surprising that toward the end of the
Time for Rural Service Provider Technical Teams to Adopt Linux Read More »
Post Views: 1,975 The term “Support” can be used as a noun or a verb. To the right is the definition we found on Google. The one I am referring to is a verb and #2…particularly give assistance to, and enable to function or act. In today’s internet so much support is provided by phone,
How Customer Support Should Not Happen Read More »
Post Views: 1,485 Check out these great references as well: Our custom profiles repository for Wireshark Our Udemy course on Wireshark Our Udemy course on Wireless Packet capture Let me begin with a little background. At CellStream, and the Online School of Network Sciences, we have taught hundreds of Wireshark classes for general networking, voice
Complaint: Why Don’t You Allow Employees to use Wireshark? Read More »
Post Views: 2,261 In a recent set of email exchanges with a client, we were tackling the challenges of hiring engineers and technical staff. I can summarize the most interesting issues as follows: Deliberately, we have not listed the normal hiring checklist items. The answer to the first question can be summarized in a single
Technology Hiring – Always a Tough Challenge Read More »
Post Views: 1,317 Most Service Providers have been very busy over the past several years laying fiber to the home/premise/curb. This activity has resulted in large jumps in the Internet speeds that many served customers are enjoying. Of course, the less rural you are the better, but still, even the rural providers are stretching their
Are Traditional Service Providers Watching Over Their Shoulders? Read More »
Post Views: 6,357 If you have been living in a cave or an island or a mountainside somewhere and have not heard, the new weapon of choice is cyber-security based. Attacking a company by wiping out it’s databases and computer files and/or spreading a virus and/or creating malware seems to be the most lethal and
Searching for the Root of the Network Security Issues Read More »
Post Views: 1,707 Many folks have heard about “Flipping the Classroom”. The Internet and the online learning tools are opening new doors to traditional training and teaching models. We have leveraged these same tools and have redefined the traditional certification training model – we call it “Flipping the Certification Model”. Let’s start with what
Flipping the Certification Model Read More »
Post Views: 1,235 What I have always loved about technology is that what we take as given is not necessarily going to be a given in 3 or 6 or 12 months time. A great example of this is the constant evolution of Data Center technology. The most incredible growth and change has happened in
Evolution of Data Center Technology Read More »
