This deal includes 12GB of Data (previous deals included 3GB or slightly more).
From the Coles online sale catalogue:
½ PRICE
• 12GB^ (3GB + 9GB bonus)
• For use in AU within 30 daysLimit 1 per customer.
Telstra 4G USB + WiFi: ^Activate on Telstra Pre-Paid Mobile Broadband Plus by 25 February 2019, use in Australia.
This product is unavailable online. Please visit a store if you wish to purchase it.
Supported Bands (from the box):
4G 700/1800/2100/2600 MHz
3G 850/2100 MHz
I bought the same device from a previous Coles sale in early October and the box had an expiry date (for SIM) of 31 JUL 2020 (ymmv).
The device is locked to the Telstra network, but can be unlocked for free using a DIY guide. I unlocked mine and have used it with Telstra and Kogan SIMs. Refer to the following guide:
How to Unlock Huawei E8372h-608 (aka Telstra 4G USB+WiFi Plus 4GX)
what's the free DIY unlock website?