Set up a USB-to-LAN adapter step by step: match USB and Ethernet speeds, install drivers, confirm power and link lights, use DHCP, connect an endpoint to LAN—not WAN ports, and run a throughput check.
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Learn how subnetting works with CIDR: calculate IPv4 network, broadcast, usable-host, and next-subnet values, then recognize Class D multicast addresses and group traffic.
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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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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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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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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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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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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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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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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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