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Author: Justin Blair

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Justin Blair

  • Cellular gateway with an external high-gain antenna
    Cellular Internet

    High Gain Cellular Antenna for a Cellular Gateway: A Selection Guide

    Learn how a high gain cellular antenna works with a cellular gateway on a cellular network, including routing, Wi-Fi, bands,…

    Justin Blair

    June 15, 2026
  • Tower-mounted TV antenna connected to an over-the-air DVR
    Antennas And Placement

    DVR for TV Antenna: A Tower-Mounted OTA Installation Guide

    DVR for TV antenna owners: test the tuner at ground level, choose the right band, then preserve reception with grounded…

    Justin Blair

    June 14, 2026
  • Gateway IP screen for a 3G mobile router
    Router And Access Points

    Gateway IP: Find the Local Address on a 3G Mobile Router

    Find your gateway IP, open the router’s local settings, then configure a 3G mobile connection, APN, LAN, Wi-Fi, and internet…

    Justin Blair

    June 14, 2026
  • Comparison of 2.4 GHz and 5 GHz Wi-Fi bands with 5 GHz channel groups and DFS channels
    Wi-Fi Channel Planning

    Difference Between 2.4 GHz and 5 GHz: Which Wi-Fi Band Should You Use?

    Learn the difference between 2.4 GHz and 5 GHz Wi-Fi, compare range, obstacles, congestion, capacity, and device support, then choose…

    Justin Blair

    June 13, 2026
  • Comparison of 5 Mbps, 15 Mbps, and 150 Mbps internet speeds for shared household use
    Connection Quality

    5 Mbps Internet Speed Compared With 15 Mbps and 150 Mbps

    5 Mbps internet speed can cover light use for one person. Compare the same streaming, calls, browsing, downloads, device counts,…

    Justin Blair

    June 13, 2026
  • A DIY HDTV antenna on a short support during a low-height reception test
    Antennas And Placement

    Antenna Mast Pipe Planning for a DIY HDTV Antenna

    Antenna mast pipe planning starts with a low-height test: match a DIY HDTV antenna to local VHF/UHF channels, measure wind…

    Justin Blair

    June 12, 2026
  • AC1750 Wi-Fi router showing its router IP address on a connected laptop
    Router And Access Points

    AC1750 Wi-Fi Router: Find the IP and Fix Connection Drops

    Learn what an AC1750 Wi-Fi router means, find its router IP or default gateway, and use timing plus wired-versus-wireless tests…

    Justin Blair

    June 11, 2026
  • Outdoor low-VHF antenna feeding an ATSC tuner with HDMI to a TV
    Broadcast Bands

    ATSC Tuner With HDMI: How to Receive Low-VHF TV Channels

    Learn how to identify low-VHF RF channels, choose a properly sized low-VHF antenna, connect an ATSC tuner with HDMI, scan…

    Justin Blair

    June 11, 2026
  • Wi-Fi router and laptop showing a 5 GHz channel scan
    Wi-Fi Channel Planning

    Best 5 GHz Channel: How to Choose and Test It

    Find the best 5 GHz channel. Compare 2.4 GHz and 5 GHz range, congestion, and client support; scan locally, account…

    Justin Blair

    June 11, 2026
  • Portable cell tower beside a conventional wireless tower
    Towers And Backhaul

    Portable Cell Tower vs. Conventional and Disguised Sites

    Portable cell tower sites provide temporary capacity; palm-tree and conventional sites differ in structure, duration, ownership, and backhaul. Compare their…

    Justin Blair

    June 10, 2026
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Categories
  • Antennas And Placement (23)
  • Broadcast Bands (16)
  • CB, GMRS And Ham (15)
  • Cellular Internet (2)
  • Coax And Signal Chain (11)
  • Connection Quality (20)
  • Digital TV Troubleshooting (12)
  • FCC And Part 15 (1)
  • Fixed Wireless (1)
  • Network Performance (10)
  • Radio Spectrum Basics (5)
  • Router And Access Points (21)
  • Rural Broadband (1)
  • Signal Diagnostics (6)
  • Towers And Backhaul (2)
  • Wi-Fi Channel Planning (9)
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Editors Pick
  • Understanding the Width of a 65-Inch TV

    Understanding the Width of a 65-Inch TV

  • Discovering the Best Phone Case Brands

    Discovering the Best Phone Case Brands

  • Understanding Nationwide Internet Outages

    Understanding Nationwide Internet Outages

  • 65-inch TV width illustration
    Broadcast Bands

    Understanding the Width of a 65-Inch TV

Interference Zones

Reference notes on signals, infrastructure, media systems, and the places where information gets noisy.

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Latest Posts

  • Understanding the Width of a 65-Inch TV

    Understanding the Width of a 65-Inch TV

  • Discovering the Best Phone Case Brands

    Discovering the Best Phone Case Brands

  • Understanding Nationwide Internet Outages

    Understanding Nationwide Internet Outages

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