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

  • APC220-dat

Digital Terrestrial Multimedia Broadcast - DTMB (Digital Terrestrial Multimedia Broadcast) (Chinese: 数字地面多媒体广播) is the digital TV standard for mobile and fixed devices, developed in the People's Republic of China. It is used there and in both of their special administrative regions (Hong Kong and Macau), and also in Cambodia, the Comoros, Cuba, East Timor, Laos and Pakistan. In Pakistan, as part of the China–Pakistan Economic Corridor Project, ZTE Corporation will provide Pakistan Television Corporation collaboration across several digital terrestrial television technologies, staff training, and content creation, including partnerships with Chinese multinational companies in multiple areas, such as television sets and set top boxes, as a form of "International Cooperation".

apps

chip

ref