... abilities Both modules are compatible with EDGE and GSM/GPRS networks on all four GSM frequency bands (850, 900, 1800, and ... use in areas where a WCDMA network is not available.UNLOCKED Sierra Wireless MC8780 Air Card 7.2Mbps 3G HSUPA/HSDPA/UMTS ... abilities Both modules are compatible with EDGE and GSM/GPRS networks on all four GSM frequency bands (850, 900, 1800, and ...