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Sierra Wireless AirCard® 503 Modem

The first 2 in 1 ExpressCard and PC Card for HSPA(plus) networks

Sierra Wireless Aircard 503

The AirCard® 503 is the world’s first 2 in 1 custom designed ExpressCard with PC Card adapter for HSPA+ networks. With download speeds up to 21 Mbps and upload speeds up to 5.76 Mbps, the AirCard® 503 is a fast and flexible mobile broadband solution. With design features such as TRU-Instal™ automatic software installation and TRU-Durability, Sierra Wireless’ rugged hardware design, the AirCard 503 is designed to endure life on the road. With quad band compatibility, roam globally and communicate wherever life takes you.

AirCard® 503 quad band WCDMA 850/900/1900/2100 Mhz.

Key features

  • World’s fastest wireless speeds up to 21 Mbps downlink and up to 5.76 Mbps uplink
  • Innovative 2 in 1 custom design
  • Global roaming capabilities with quad band WCDMA (850/900/1900/2100)
  • Robust flip antenna
  • TRU-Install, automatic software installation

Key benefits

  • Send large files, stream music and movies, and keep in touch with work, family, and friends easier than ever before
  • Designed for both PC and ExpressCard slots, ensuring you have compatibility with all future laptop upgrades
  • Global High speed wireless connectivity in more places than Wi-Fi, offering greater mobility
  • Impact resistant material enhances durability for everyday use
  • Hassle free installation


Auron SMS Server is a Windows-based software package that enables you to send, receive and process SMS and e-mail messages. Supported communication protocols: GSM, HTTP, SMPP, SMTP, POP3. Incoming messages are processed by 'triggers', and can be fully customized.

It's a framework for any scenario where one/two-way SMS is required. Create a voting/polling system, send out mass SMS broadcasts, create a reservation system, etc.. Real-life case-studies are included as sample projects.