Best Gsm Modem Rs232

StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/M - DB9 Male to Female - 9 pin Null Modem Cable - 1x DB9 (M), 1x DB9 (F), Black, SCNM9FM2MBK

Bi-directional speeds up to 25 Mbps per port full Serial modem control.
Supports hardware, Software flow control. Even, odd, none, space and mark Parity. Special baud rate (option). multi-drop application for 9-bit mode.

USB TO RS232 SERIAL – 5ft in length serial adapter. Connect legacy DB-9 serial communications devices to a modern computer with USB.
EASY TEST - Easy test RS-232 host to device link. With a full LED, dual color display, tester output. This will make testing your connections with....
COMPATABILITY - With support on multiple OS platforms this makes our USB RS- 232 very versatile. Supported OS platforms are Windows 7, 8 and 10 as....
WHY Gearmo? Your Trusted Partner based in the USA, Providing Advanced Engineering, Highly Reliable and Superior Built Products to handle the most....
RS-232 - DB9 / M Data rate : Over 1000kbps.

Two-line alpha-numeric display shows each item as it is entered. Connects to popular POS.
Up to Approximately 2,000 PLUs that can be Accessed Directly Through Individual Keyboard PLU Keys.
The affordable SAM4s ER-900 series provides the gateway to system features using two standard RS-232C.
Two additional ports are available for direct or modem PC communications with optional polling software.
Full Size Cash Drawer Includes Media Slots and a Removable 5 Bill, 5 Coin Drawer Insert with Adjustable.

Lantronix 2 Port Serial (rs232/ Rs422/ Rs485) To Ip Ethernet Device Server - Us Domestic 110 Vac - Convert From Rs-232.
Rs-485 To Ethernet Using Serial Over Ip Technology.
One 10/100 Mbps Fast Ethernet Rj-45 Port.

Commercial Grade Bi-Direction RS232 to RS485 Converter used in Industrial Long-haul Communication up to 4000ft (1200 meters).
Mini RS 232 to 485 serial adapter enables the connections of multiple bus nodes and 32 devices can be joined in RS-485 network.
RS-232 to RS-485 Converter controls the “Receive” and “Transmit” modes automatically.
Up to 115.2kbps baud rate (auto-detect) can be applied to point to point two wire half duplex and point to multi-point two wire half duplex....
A built-in Transient Voltage Suppressor (TVS) supports 600W anti-surge protection on each line of RS485 link which effectively guard devices from....

MAXIMIZED PORTABILITY: This USB to serial RS232 adapter converts a USB port into an RS232 DB9 serial port to connect to, monitor, and control a serial device.
BROAD COMPATIBILITY: Compatible with your USB 1.0 or 2.0 ports, this USB to RS232 converter works with your Windows, Mac or Linux system.
FAST TRANSFER SPEEDS: Experience fast speeds with this USB to DB9 serial adapter, supporting a Baud Rate up to 921.6Kbps.
PORTABLE DESIGN: Powered by a USB port, this USB to RS232 serial adapter cable features a lightweight design that conveniently fits into your carrying case, making it ideal for professionals on the go.
Install in almost any laptop or desktop computer through broad operating system compatibility, including Windows 8.
Communicate efficiently with connected devices with high-speed 921Kbps support.
Portable and lightweight, the USB-Powered design requires no additional power adapter.
USB to Straight-Through RS232 DB9 Serial Adapter.
Compatible with Windows 8, Mac OS X and Linux.
USB-powered - no external power adapter required.

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.

4G LTE Router: Speed up to 300Mbps (working band: -LTE-FDD CAT6 Band 2/4/5/12/13/29.
-GSM/GPRS/EDGE 850/1000/1800/1900Mhz. ) Dual sim card slot, you can use it with any mobile carriers that using the same frequency bands.Widely used for IOT application scenarios..
Industrial Design and Wide Coverage: Industrial rugged metal casing, supports RS232 serial port (or RS485 optional).
The 3-Antenna Design delivers better performance.
Transmission Distance can reach to 100 meters in open area.
Featuring both panel and DIN-rail installation.
Multiple Means for Internet Access: Available with wired network access, high speed LTE CAT6 and Wi-Fi connection. One WAN port, four LAN ports, Support multiple WAN access methods, including Static IP, DHCP, PPPoE, PPP.
Supports WIFI, Compatible with 802.11b/g/n, AP and Client Mode.
Strong Security Protection: Supports DMVPN, firewall and user authorization management. Strong security measures for data transmission, network and device access. Firewall Protections.
Data Security:IPSec VPN/L2TP/PPTP/GRE/OpenVPN/DMVPN/CA.
Connectivity technology: Wi-Fi, ethernet, 3G/4G, rs-232/rs-485.

Bluetooth RS232 Adapter : With this Bluetooth RS232 adapter, you can wirelessly communicate with any RS232 devices on Android smartphones or a Bluetooth enabled computer..
Built-in Industrial Bluetooth 2.0 SPP module driven by the CSR BC417 chip. Compatible with Android phones and Bluetooth enabled computers, but not compatible with any iOS device..
RS232 DB9 Interface: Please note that only Rx and Tx signals are valid. Does not support CTS, RTS hardware flow control..
Bluetooth pairing PIN: 1234, Baud rate parameters: 9600, N, 8, 1. Transmission distance of more than 20 meters.Baud rate and Bluetooth name and PIN can be configured by software. DSD TECH provides setup software for free..
About WARRANTY: DSD TECH offers a one-year warranty and lifetime technical support. If you meet any question, please contact us, we will fix your issue within 24 hours..