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
M2M-dat - LTE-dat - POE-dat - low-power-test-dat - M2M-interface-dat
cable-dat - fiber-optic-dat- coaxial-cable-dat - POF-dat - toslink-dat
long distance = lora-dat - lorawan-dat - rf-switch-dat
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.
- DTE sends data to DCE, which modulates/transmits it.
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-dat - xbee-dat - btbee-dat - nrf24l01-dat - CC1101-dat - sensor-dat
network system
unsort
ET5171 - EMI RFI FILTER 10A ELCOM AC 115V 230V single phase ET5171