Category: Protocols & RF

Discover how oscilloscopes work, their key features, and how to effectively use them in RF and wireless protocols. Perfect for electronics enthusiasts and professionals.

Learn how to convert watts to amps with simple methods. Discover formulas, examples, and practical tips for accurate watt to amp conversion.

See how the TCP three-way handshake works, what transport-layer fields do, and how IP TTL limits each packet’s life without being part of the TCP header.

See how packet switching works from app data to Ethernet frames, through Layer 2 MAC checks, then across IP next hops. Learn where TCP and UDP ports identify services.

The default RDC port is 3389. Find the listener, connect with host:port syntax, change the setting, update firewall and NAT rules, and verify the service.

Learn how to read the IPv4 packet header, spot ICMP using the protocol field, and decode echo, unreachable, time exceeded, and redirect messages with examples.

Learn port forwarding to a PC with an RDP listening port: update the RDP port in Regedit, restart the service, match firewall and router rules, then test local, LAN, gateway, and external access.

Learn how to identify a device by MAC address online: use local MAC tables, ARP, DHCP, and vendor data—not a public lookup—then run an internet packet loss test and read CRC checksum errors.