network-dat.md

Network tech by range

Technology Range Data Rate Notes
M2M-dat Almost infinite (provider) Varies Limited by service provider network
lora-dat Long, up to 10 km Low
RF-link-dat Medium, up to 1 km Low
ELRS-dat Medium, up to 1 km (5 km) High

main category

internet

RC apps protocols

RC protocols - CRSF-dat - SBUS-dat

and more - IBUS-dat - PPM-dat - FPort-dat - SPEKTRUM-dat - SUMD-dat - SRXL-dat - Ghost-dat - MAVLink-dat - DroneCAN-dat

Software

RF boards

M2M Boards

Location

IOT

Ethernet

EtherCAT (Ethernet for Control Automation Technology) is a high-performance, real-time Ethernet-based fieldbus system. It was originally developed by Beckhoff Automation.

System and APPs

info

What is DTE and DCE?

DCE = Data Circuit-terminating Equipment (also called Data Communications Equipment).

  • In the context of modems, the DCE is the modem itself.
  • It connects to a DTE (Data Terminal Equipment), which is typically your computer, microcontroller, or router.

Roles:

Device Type Meaning Example
DTE Data Terminal Equipment — device that generates/uses data PC, microcontroller, router
DCE Data Circuit-terminating Equipment — device that provides a communication path Modem, serial adapter, cellular module
  • The DTE and DCE sides determine who provides clock signals, and how cables are wired (TX/RX pins).
  • In UART serial communication, for example:
    • DTE sends data to DCE, which modulates/transmits it.
    • DCE receives data from DTE, demodulates it, and sends it to the remote device.

What is PPP?

PPP (Point-to-Point Protocol) is a data link layer protocol used to establish a direct connection between two network nodes.
It allows the transmission of multi-protocol datagrams (e.g., IP, IPv6, IPX) over serial links, phone lines, or other point-to-point connections.


2. Key Uses of PPP

  • Connecting two devices over a serial link.
  • Dial-up Internet access (historical).
  • VPN connections (PPP over SSH or PPP over Ethernet).
  • Cellular data connections (PPP over UART for modems).

Example:
A microcontroller talking to a cellular modem (SIMCom, Quectel) over UART often uses PPP to establish an IP connection.

network protocols and standards

network system

unsort

  • ET5171 - EMI RFI FILTER 10A ELCOM AC 115V 230V single phase ET5171

ref