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Author: Justin Blair

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Justin Blair

  • CB, ham, and AM frequency ranges shown on a shared spectrum scale
    Radio Spectrum Basics

    What Frequency Is CB Radio? CB, Ham Radio, and AM Ranges

    What frequency is CB radio? In the U.S., CB channels span 26.965–27.405 MHz; ham radio uses many bands, while the…

    Justin Blair

    June 7, 2026
  • Router lights blinking on an AC1750 router with WAN, Wi-Fi, and Ethernet indicators
    Router And Access Points

    Router Lights Blinking? Find Your Router’s Home IP Address

    Router lights blinking? Learn what power, WAN, Wi-Fi, and Ethernet indicators mean, find your router’s home IP address, and check…

    Justin Blair

    June 7, 2026
  • 2.4 GHz and 5 GHz Wi-Fi comparison of range, speed, and device use
    Wi-Fi Channel Planning

    What’s the Difference Between 2.4 GHz and 5 GHz Wi-Fi?

    What’s the difference between 2.4 GHz and 5 GHz Wi-Fi? 2.4 GHz reaches farther; 5 GHz is usually faster nearby.…

    Justin Blair

    June 7, 2026
  • Diagram showing a digital TV station's virtual channel and physical RF channel
    Digital TV Troubleshooting

    When Did Digital TV Start? The U.S. Switch, Converter Boxes, and RF Channels

    When did digital TV start? Learn the 2009 U.S. analog shutdown, what a free digital TV converter box did for…

    Justin Blair

    June 6, 2026
  • Mobile CB radio mounted in a vehicle with an external antenna
    CB, GMRS And Ham

    CB Frequencies on a Ham Radio: Receive Coverage, Transmit Capability, and Setup

    CB frequencies on a ham radio explained: learn whether a receiver can tune the CB band, what a mobile installation…

    Justin Blair

    June 6, 2026
  • TV antenna mounted on a stable mast pole with coaxial cable
    Antennas And Placement

    Antenna Mast Pole: Build, Mount, and Cable a TV Antenna

    Use an antenna mast pole to mount a TV antenna, match its design to local VHF/UHF channels, choose the best…

    Justin Blair

    June 5, 2026
  • Router and access point mode diagram showing routing and DHCP roles
    Router And Access Points

    Access Point Mode vs Router Mode: Setup and Dropout Checks

    Access point mode vs router mode explained: choose one device for NAT and DHCP, find the router’s management IP, and…

    Justin Blair

    June 5, 2026
  • Comparison map for personal radio services, device emissions, and commercial operator exams
    FCC And Part 15

    FCC Part 95: How It Differs From Other FCC References

    FCC Part 95 governs personal radio services. FCC Part 15B covers unintentional-radiator emissions. FCC Element 3 concerns a commercial operator…

    Justin Blair

    June 5, 2026
  • Direct and split coax paths used to test a digital TV signal booster
    Digital TV Troubleshooting

    Best Cable TV Signal Booster Amplifier: When It Helps Digital TV

    Best cable TV signal booster amplifier guidance: compare the weakest channel on a direct coax run with the splitter path,…

    Justin Blair

    June 4, 2026
  • Coaxial cable and connector types beside digital coaxial and optical audio connections
    Coax And Signal Chain

    Different Types of Coaxial Cable: A Practical Guide

    Different types of coaxial cable explained: compare construction, impedance, shielding, and connector fit, then choose digital coaxial or optical audio…

    Justin Blair

    June 4, 2026
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Categories
  • Antennas And Placement (22)
  • Broadcast Bands (12)
  • CB, GMRS And Ham (15)
  • Cellular Internet (2)
  • Coax And Signal Chain (11)
  • Connection Quality (4)
  • Digital TV Troubleshooting (4)
  • FCC And Part 15 (1)
  • Fixed Wireless (1)
  • Network Performance (7)
  • Radio Spectrum Basics (4)
  • Router And Access Points (17)
  • Rural Broadband (1)
  • Signal Diagnostics (5)
  • Towers And Backhaul (2)
  • Wi-Fi Channel Planning (9)
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Editors Pick
  • Wi-Fi vs LTE: Local Access, Wi-Fi Generations, and Roaming

    Wi-Fi vs LTE: Local Access, Wi-Fi Generations, and Roaming

  • How to Get Wi-Fi on a Desktop from a Distant Hotspot

    How to Get Wi-Fi on a Desktop from a Distant Hotspot

  • Best Wi-Fi Settings for Calling and Texting

    Best Wi-Fi Settings for Calling and Texting

  • Diagram comparing local Wi-Fi and LTE coverage with Wi-Fi N, AC, and client roaming
    Network Performance

    Wi-Fi vs LTE: Local Access, Wi-Fi Generations, and Roaming

Interference Zones

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

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Latest Posts

  • Wi-Fi vs LTE: Local Access, Wi-Fi Generations, and Roaming

    Wi-Fi vs LTE: Local Access, Wi-Fi Generations, and Roaming

  • How to Get Wi-Fi on a Desktop from a Distant Hotspot

    How to Get Wi-Fi on a Desktop from a Distant Hotspot

  • Best Wi-Fi Settings for Calling and Texting

    Best Wi-Fi Settings for Calling and Texting

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