Best Network Serial Port

HiLetgo Smallest SIM800L GPRS GSM Breakout Module Quad-Band 850/900/1800/1900MHz SIM Card Slot Onboard with Antenna 3.7~4.2V

Mini GSM / GPRS breakout board is based on SIM800L module, supports quad-band GSM/GPRS network, available for GPRS and SMS message data remote transmission..
The board features compact size and low current consumption. With power saving technique, the current consumption is as low as 1mA in sleep mode..
It communicates with microcontroller via UART port, supports command including 3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands..
AT command interface with "auto baud" detection..
TTL serial port for serial port, you can link directly to the microcontroller.

USB C to RS232 adapter cable connects from the USB-C port of a computer to a device with a female DB9 port.
USB bus-powered cable connects to devices for configuration or programming.
Male to male serial to USB cable provides a convenient solution for communicating with equipment that require a DB9 connector.
Use a DB9 mini gender changer (sold separately) if the fixed hex screws will not mate with the equipment port.
Simple installation of USB C to serial adapter using the drivers available for download from Cable Matters.
Connect a null modem adapter (sold separately) to directly connect two computers with serial cables.
Windows & Mac compatible with the latest OS versions.
Some equipment may require additional proprietary software that may limit the OS compatibility.
RS-232 compatible USB C serial cable is required for many types of equipment including a CNC Machine, GPS, telescope, Set-top box, Cisco network switch, sewing Machine and more.

...e serial port is perfectly compatible. The TTL serial port is compatible with 3.3 and 5V microcontrollers.Speaker and Headphone jacks..
The best baud rate for GPRS Shield communication is 19200 BPS 8-n-1 (GPRS Shield automatically matches baud rate by default).Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world..
GPRS multi-slot class 10/8.GPRS mobile station class B. Compliant to GSM phase 2/2+. Class 4 (2 W @ 850 / 900 MHz).Class 1 (1 W @ 1800 / 1900MHz).Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands..
Short Message Service - so that you can send small amounts of data over the network (ASCII or raw hexadecimal).Embedded TCP/UDP stack - allows you to upload data to a web server.RTC supported.Selectable serial port.Low power consumption - 1.5mA(sleep mode)..

Orange Pi Zero uses Allwinner quad-core A7 high-performance processor Allwinner H3, integrated Ethernet, 100M onboard network port, onboard storage, USB OTG power supply, USB2.0 port, etc. Note: Our shipping time generally takes 15 days, Not as long as Amazon suggests..
Orange Pi Zero open source development board integrates on-board network, on-board storage, LED indicators, low-level peripherals, and is compatible with Raspberry Pi GPIO ports, and has a unique debugging serial port, etc..
512MB DDR3, Onboard Network. One USB 2.0 HOST, one USB 2.0 OTG USB OTG can supply power.
Include: Orange Pi Zero 512 Single Board Computer+White Case+OTG Power Supply.
Orange Pi Single Board Computers can builed a computer, a wireless server, Games, music and sounds, HD video, a speaker, Android, Scratch.Pretty much anything else, because Orange Pi is open source..
Notice before order: By default, we won't responsible for customs clearance fee charged by your local. If you have any questions, pls contact with Amazon servic.

...t is perfectly compatible. The TTL serial port is compatible with 3.3 and 5V microcontrollers..
Make sure your SIM card is not locked. The best baud rate for GPRS Shield communication is 19200 BPS 8-n-1 (GPRS Shield automatically matches baud rate by default). Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world..
GPRS multi-slot class 10/8. GPRS mobile station class B. Compliant to GSM phase 2/2+. Class 4 (2 W @ 850 / 900 MHz). Class 1 (1 W @ 1800 / 1900MHz). Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands. Short Message Service - so that you can send small amounts of data over the network (ASCII or hexadecimal)..

Add 16 RS232 serial ports (DB9) to your low or full-profile computer through a PCI Express slot.
This 16-Port PCI Express Serial Card provides high-speed PCIe serial card with 16 DB9 RS232 ports from a single PCIe slot.
Multiport serial adapter card enables high-speed serial communication with data transfer rate up to 921.6 Kbps.
Compliant with PCI Express 1.0a/1.1 and compatible with 1x/2x/4x/ 8x/16x PCIe bus.
PCIe serial card / Multiport serial adapter card / Serial PCIe card / Serial expansion card / 16 port serial card / pci serial port / pcie serial card / PCI serial card / pci e serial card / pci express serial card.

A simple, cost effective solution to process serial data communication between RS232 COM port devices over inexpensive cat5 cat6 RJ45 network cable.
DB9 female to RJ45 modular adapter converts DB9 female connector into an RJ45 female connector (DB9 female - RJ45 Female pinout: 1-1, 2-2, 3-3, 4-4, 5-5, 6-6, 7-7, 8-8, 9-x).
A pair of DB9 to RJ45 socket coupler can be used a extender to extend rs232 serial signals up to 65ft.
Bi-directional DB-9 female to RJ-45 female converter comes with thumbscrews for easy and secure connection.
(Please be noted it's NOT 15 pin VGA video port) It's compatible with Standard 9 Pin D-sub RS-232 Devices e.g. computer laptop, printer, modem, router, PDA, POS device, digital CNC machine tool, Barcode scanner, etc..

Genuine Dell D28YY Motherboard For Optiplex 790 SFF Systems.
Chipset: Intel Q65 Express/ Supported Processors: Supports: Intel Core i7 2600, Intel Core i5 2500, Intel Core i5 2400, Intel Core i3 2120, Intel Core i3 2100, Intel Core i3 2130, Socket LGA1155.
Supported Memory: 16 GB Max, DDR3 (4 Slots), 1 x DIMM1, 1 x DIMM2, 1 x DIMM3, 1 x DIMM4.
Audio: Integrated Audio/Microphone/ Disk Drive Interface: SATA X 2/ Expansion: 1 x PCI-e 4x connector(SLOT2), 1 x PCI-e 16x connector(SLOT1).
Peripheral Interfaces: 1 x Display Port Connector, 1 x Serial Port, 1 x Mouse Connector, 1 x Keyboard Connector, Onboard Sound , Onboard VGA, 6 x USB Ports, 1 x Network LAN 10/100 Port Compatible Part Numbers: D28YY.