(Unlocked). Sierra Wireless 875U USB Modem - Unlocked. •Works on international networks (supporting bands below) including NextG. - Can be used with any GSM/GPRS/EDGE provider supporting the bands below.
Unlocked, Bands: 850, 1900, 2100. It connects to you laptop using PCMCIA slot. 2.5mm jack headset needed (not included ) for voice function Your sim card should have voice call credits. Compatible Windows XP, Vista, Window7 Wondows8 and windows10 and Mac X.
The Sierra Wireless AirCard?. It includes the ability to roam globally on UMTS and GSM/EDGE networks so you can stay connected wherever your travel schedule. Sierra Wireless AirCard automatic software installation.