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Cellular system RF power conversion path

Cellular System Basics: RF Power, dBm, Watts, and Voltage

Posted on 2026-06-07 by Sam Snider

Learn how a cellular system connects devices through the network core, spectrum, and backhaul. Convert dBm to watts with a formula. Calculate dBm to volts only with stated impedance and RMS voltage.

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Wireless Architecture
Outdoor PoE Ethernet cable feeding a powered endpoint beside a separate fiber backbone

PoE Ethernet Cable and Fiber Backbones for Outdoor Networks

Posted on 2026-06-06 by Sam Snider

Use PoE Ethernet cable for powered endpoints and fiber for long, lightning-exposed, or bandwidth-heavy links. Set a PoE budget, choose outdoor Cat6 and fiber, protect transitions, and test the route.

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Ethernet & Cabling
Diagram comparing WLAN and WWAN coverage with Band 66 cellular spectrum

What Is a Wireless Network? WLANs, WWANs, and Band 66

Posted on 2026-06-06 by Sam Snider

What is a wireless network? Learn how WLANs and WWANs differ in coverage, ownership, mobility, access points, base stations, backhaul, and authentication—and how LTE and 5G Band 66 fit.

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Wireless Architecture
RJ45 pinout, Ethernet color code, and coax-to-Ethernet setup diagram

Ethernet Color Code and Pinout: RJ45 Wiring and Coax Links

Posted on 2026-06-06 by Sam Snider

Learn the Ethernet color code and Ethernet pinout for T568A/T568B, then see when Ethernet over coax needs active converters, what speeds you share, and how to test the link.

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Ethernet & Cabling
PoE+ switch setup with Cat6A cable termination and wire color guide

PoE+ Switch Setup with Cat6A Cabling

Posted on 2026-06-05 by Sam Snider

Learn how to size a PoE+ switch, choose Cat6A for the right run length, terminate T568A or T568B correctly, and verify power delivery and link speed after install.

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Ethernet & Cabling
LAN topology diagram showing devices, links, and network segments

LAN Topology: How to Map, Choose, and Design a Stable Network

Posted on 2026-06-04 by Sam Snider

Learn LAN topology basics, how free network mapping tools discover devices, and how to compare star, tree, mesh, point-to-point, and bus layouts before you design.

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WAN, LAN & Topology
Directional radios on two buildings forming a fixed wireless Ethernet link

What Is Fixed Wireless? Bridges, Signal Power, and Internet Links

Posted on 2026-06-04 by Sam Snider

What is fixed wireless? Learn how provider access links and Wi-Fi-to-Ethernet bridges carry Ethernet, convert dBm to watts, and use line of sight, noise, loss, and link margin for reliable planning.

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Wireless Architecture
RJ45 and Cat6 Ethernet cable with T568A and T568B wire order and shielded cable comparison

RJ45 vs Cat6: Wire Order and Shielded Cable Choices

Posted on 2026-06-04 by Sam Snider

RJ45 is commonly used as shorthand for an 8P8C connector, while Cat6 names a cable category. Learn T568A and T568B wire order, then choose shielded or unshielded cable for your channel.

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Ethernet & Cabling
PoE switch with Ethernet cables and a fiber uplink

PoE Network Switch Setup: Wiring, Fiber Uplinks, and Testing

Posted on 2026-06-04 by Sam Snider

Set up a PoE network switch with the right power budget, T568A/T568B wiring, and fiber-optic uplinks. Learn what to match, test, and verify before you power devices on copper and fiber runs.

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Ethernet & Cabling
Point-to-point network topology diagram showing two endpoints connected by a LAN extender

Point-to-Point Network Topology: How to Choose a Link

Posted on 2026-06-03 by Sam Snider

Point-to-point network topology links two endpoints directly. Compare star, bus, and mesh designs, then choose a LAN extender for copper, fiber, or wireless reach, bandwidth, and resilience.

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WAN, LAN & Topology

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