On this page you can find some useful links to external websites. The main theme is of course PrePaid cards for GSM, W-CDMA and also different technologies. You can also find links to online shops where you can buy some of the prepaid offers listed on this site. If you have any site you think can be useful and would like to be added in this page feel free to contact us by e-mail.
Suggested links about GSM and WCDMA
| site | description | language |
| GSM-World | the BIBLE of GSM throughout the World! |  |
| Prepaid Wireless Internet Access | All about prepaid data around the World | |
| Prepaid Wiki | All about prepaid cards in Germany |  |
| PrepaidReviews | All about Prepaid Cell Phones You'll Ever Need for USA and Canada | |
| Mobiele Abonnement | All about Prepaid offers in the Netherlands | |
| CellularAbroad | on-line shop for prepaid cards, GSM phones, phone rental and anything you need for your trips overseas. |  |
| Telecompaper MVNO | the most complete and up to date list of MVNOs and Service Providers all around the world. | |
| Cellguru | good comparison page about USA prepaid mobile offers | |
| Mondo3 | all about Europe's first UMTS operator | |
| WindWorld | all about Italy's GSM/UMTS operator Wind | |
