Sierra Wireless AirCard 320U, also known as the Telstra USB 4G, is for LTE networks and offers download speeds of up to 100 Mbps and upload speeds up to 50 Mbps. In addition to LTE, it supports Dual Carrier HSPA+ and earlier versions of HSPA+.
Telstra AirCard 320U LTE is the one star of Sierra serial 4G Wireless modems. In the serial, there is Sierra 313u for LTE band 700Mhz, Sierra 320u for LTE band 1800/2600Mhz and Sierra 330 for 1700/2100/2600MHz. This serials almost coverall the LTE broadband worldwide that had deployed. Since LTE band 3 (1800mhz) and band 7 (2600Mhz) are commonly deployed in Europe and Asia, Sierra 320u is no doubt the star product in 4G era.
Sierra 320u can be used with Telstra Pre-paid and Telstra Post-paid SIMs but not with Bigpond SIMs. With HSPA + / HSPA backup, it can also be used with any other carriers that support the 850Mhz, 900Mhz or 2100Mhz network bands.
How to install Sierra 320U:
step 1
Remove the back cover and insert the SIM card as shown in the illustrations.
step 2
Insert the modem into the USB slot.
The LED could show the status of the modem:
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