Global Roaming Distribution  (GRDB) is a group of companies in the telecommunication business, each with its own goals and abilities to add more functionality, flexibility and presence in specific markets. GRDB is centered around its primary product, CelTrek™ and its ability to provide new solutions to exorbitant international roaming charges. Through strategic alliances with the leaders in the cellular industry, GRDB has developed attractive solutions to this complex problem and is bringing them to its customers.

Whether you are a business or leisure traveler, you can have one simple solution to smart international mobile services. The CelTrek SIM card. Through GRDB’s unique agreements with over 350 GSM networks, CelTrek Smart SIMs eliminate expensive roaming costs in over 165 countries today, with expansion to an additional 30 countries in the next year.

Another key ingredient to Global Roaming Distribution  is its people skills. They are committed to providing the highest quality products as well as expert customer service support 24/7, 365 Days. That includes live customer service representatives, concise and user-friendly manuals and guides, instant online billing information and a guarantee for your satisfaction of GRDB products. That's a promise!

For more information about our core product, CelTrek, and opportunities for reselling and developers, please contact GRDB at This e-mail address is being protected from spambots, you need JavaScript enabled to view it