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Roalan Ltd is the source for professional computer adapter products.

Dear Sirs
For the past 18 months I have made an average of two to three online
purchases every week from a large number of suppliers and I am writing to say that your Company has provided the most efficient service I have ever
received.
The order was placed in the early hours of Friday morning on July 4th with
the item scheduled for delivery by 9.30 am on Saturday July 5th. The
delivery company InterlinkExpress fulfilled their commitment and the PCI
board that you supplied was installed by 9.35 am.
It was a delight to do business with your Company.
Thank you.
Richard Kuttner
The Cruet Company

Serial Comms Cards 

PCI-X 3.3V (3.3 Volt) 64 bit and PCI serial 1 to 8 port serial communication adapter cards/boards including  low profile half height

Intelligent Serial Cards

4 to 128  Port  Intelligent Serial RS232 RS422 RS485 

Parallel Printer Cards

PCI-X 3.3V (3.3 Volt) 64 bit and PCIe Express parallel printer adapter cards/boards including low profile half height

Serial plus Parallel Combo

PCI Express (PCIe) and  PCI-X 133MHz 64bit Dual Serial RS232 and Parallel Adapter                     

Gigabit Ethernet Cards

PCI-X 3.3V (3.3 Volt) 64 bit Network Gigabit Ethernet cards/boards. PCI-Express Gigabit adapter 

Multi-Modem Cards

PCI/PCI-X 3.3V (3.3 Volt) 64 bit Multi- Modem Adapter cards/boards

RS422 RS485 Cards

PCI/PCI-X 3.3V (3.3 Volt) 64 Bit RS422 RS485 Serial Comms cards/boards

PCI to USB Cards 

PCI to USB V2.0 Adapter cards

USB to Serial converters

USB to Serial RS232 RS422/485 1 to 16 Port Adapters

USB to Infra Red

USB to Infra Red (IR) Converter

USB to PCMCIA

USB Adapter for Cardbus Wireless Modem 3G Cards

USB 3G Modem

USB to 3G Wireless Modem

ExpressCard to Serial

ExpressCard to Serial RS232 Card

PC Card  to Serial 

PCMCIA Cardbus to Serial RS232  Adapter Cards

PC Card  to Parallel 

PCMCIA Cardbus to Parallel Printer and Dongle Cards

PC Card to Serial RS422/485

PCMCIA Cardbus to Serial RS422 RS485 Adapter Cards

ExpressCard to Serial

PCMCIA ExpressCard to Serial RS232

ExpressCard To PCMCIA Adapter

Converts ExpressCard slot to PCMCIA CardBus PC Card

PCI/PCI-X Firewire Cards

PCI PCI-X 64 bit 3.3V (3.3 Volt) to Firewire (IEEE1394) low profile half height  adapter cards/boards,

Ethernet to Serial

Ethernet to Serial RS232 RS422 RS485 1 to 8 Port Adapters

Serial to Bluetooth

Bluetooth to Serial RS232 Cable Eliminator 

Wireless Network-based Serial Device Server

Wireless LAN IEE802.1b to RS232 RS422 RS485 Serial Adapters

GSM to Serial

Mobile Cell Phone to Serial RS232

Quatech Products

Order Quatech products on-line

VSCom Products

Order VScom products on-line

Synchronous Products

PCMCIA RS232/422/485

PCI Modem

3GWireless Cellular Router

Compact Flash

Compact Flash To Serial Comms RS232/422/485

CardBus to ExpressCard

PCMCIA CardBus to ExpressCard Adapter

PCI Express SATA

PCIe SATA RAID Controller

 

 

 

USB to Serial RS232 1 to 4 Port Converters

These adapters enable you to add serial COM ports to your PC Workstation or Embedded System, providing the ability to communicate between USB (Universal Serial Bus) and serial peripherals.
They add Windows serial COM-ports via USB connection and are compatible with new Windows OS and legacy RS232 devices.
This plug and play USB solution is perfect for mobile instrumentation and applications requiring many RS232 devices. USB plug and play allows easy serial port expansion that requires no IRQ, DMA or I/O port resources. Users no longer need to power down the system and open the case, saving time and costs.

USB-S    USB to Serial RS232 Communication Converter  9 pin male connectors

Adds a serial RS232 ports via USB connection. 
Suitable for Chip and Pin Terminals.
Easy serial communication port expansion with plug&play. 
Requires no IRQ, DMA, I/O port. 
Eliminates IRQ conflict and reserves system resources 
Installed as standard Windows Com port 
Compatible with new & legacy RS-232 devices 
Serial communication port speed up to 921.6K bps 
Full RS-232 modem control signals RS-232 data signals: TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND RS-232
Serial RS232 communication port is individually configurable 
Adds more ports conveniently as needs grow 
Bus-powered. 
Windows 98, ME, 2000, XP, 2003 Server, Vista 32/64 Linux (Kernel 2.4 and up built-in)
No external power supply needed
3 year warranty

 

Buy Me £22.50 (About US$45)

USB-DS  USB to Dual Serial RS232 Communication Converter 2 X 9 pin male connectors

Adds 2 serial RS232 ports via USB connection. 
Suitable for Chip and Pin Terminals.
Easy serial communication port expansion with plug&play. 
Requires no IRQ, DMA, I/O port. 
Eliminates IRQ conflict and reserves system resources 
Installed as standard Windows Com port 
Compatible with new & legacy RS-232 devices 
Serial communication port speed up to 921.6K bps 
Full RS-232 modem control signals RS-232 data signals: TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND RS-232
Serial RS232 communication port is individually configurable 
Adds more ports conveniently as needs grow 
Bus-powered. 
Windows 98, ME, 2000, XP, 2003 Server, Vista 32/64 Linux (Kernel 2.4 and up built-in)
No external power supply needed
3 year warranty

Buy Me £35.00 (About US$71)

USB 4COM-M USB to Quad Serial RS232 communication Converter 4 X 9 pin male connectors

Adds four serial RS232 communication ports via USB connection. 
Easy serial communication port expansion with plug&play. 
Requires no IRQ, DMA, I/O port. 
Eliminates IRQ conflict and reserves system resources 
Installed as standard Windows Com port 
Compatible with new & legacy RS-232 devices 
Serial RS232 communication port speed up to 921.6K bps 
Full RS-232 modem control signals RS-232 data signals:TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND RS-232 Connectors: four DB9 male connectors 
Serial RS232 communication port is individually configurable 
Adds more ports conveniently as needs grow 
USB Powered, no external power supply
Windows 98, ME, 2000, XP, 2003 Server, Vista 32/64 Linux (Kernel 2.4 and up built-in)
3 year warranty
Dimensions  172X95X29mm (W×L×H) 184X99X29mm with DB9

USB 4COM-M Buy Me £75.00 (About US$152)

USB 4COM with mains power supply. Use with laptop/notebook PCs that cannot supply enough power from the USB port.

Adds four serial RS232 communication ports via USB connection. 
Easy serial communication port expansion with plug&play. 
Requires no IRQ, DMA, I/O port. 
Eliminates IRQ conflict and reserves system resources 
Installed as standard Windows Com port 
Compatible with new & legacy RS-232 devices 
Serial RS232 communication port speed up to 921.6K bps 
Full RS-232 modem control signals RS-232 data signals:TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND RS-232 Connectors: four DB9 male connectors 
Serial RS232 communication port is individually configurable 
Adds more ports conveniently as needs grow 
USB Powered, no external power supply
Windows 98, ME, 2000, XP, 2003 Server, Vista 32/64 Linux (Kernel 2.4 and up built-in)
3 year warranty

USB 4COM Buy Me £69.00 (About US$140)
Roalan delivers products worldwide.
VAT will be added to all UK and EU (without a VAT number) deliveries

home

                    Tel +44 (0) 1202 861512

                    Fax +44 (0) 1202 861732

                    Gleneagles House, 31 Riverside Road, West Moors, BH22 0LG, England, UK

                    Registered in England  4591605   VAT GB 474 4377 22     Member 1408917

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