Great value per month ($4.97). Included is 60GB of data, split into 20GB per 30 days. Kogan uses Vodafone's 4G network. Decent pricing for a second sim, or a temporary port-out for a few months. This is an unlimited calls & text plan also.
From Kogan:
That’s 20GB of data to use every 30 days on the lightning fast Kogan Mobile 4G network.
New customers only
Free SIM card included
HUGE 60GB of data – 20GB per 30 days
UNLIMITED standard national calls for 90 days
UNLIMITED standard texts and MMS for 90 days
All for use within Australia
After purchasing this product, you will be sent a unique Kogan Mobile vouchers by email within 24 hours and a Kogan Mobile SIM Starter Pack by post
