關於「GPRS 2G」標籤，搜尋引擎有相關的訊息討論：

The M66 is a quad-band GSM/GPRS 2G module measuring 17.7mm ...www.sinbon.com › product › communication › gsm-gprs-m66 › category=...Entry Level GPRS Modem (GL) - Siretta Limitedwww.siretta.com › industrial-modems › 2g-mobile › entry-...2G / GPRS Mobile Network - Siretta Limited