You certainly can!
As long as your WiFi device is 4G enabled, you shouldn't have any trouble using an OVO SIM card in it. If you want to do this, OVO Mobile Broadband is a great alternative to fixed internet - replacing the need for an expensive fixed broadband connection.
It might seem obvious, but in case it's not, when you use OVO Data and OVO Mobile Broadband you won't be able to make calls - you won't be turning your modem into a phone!
There's just a couple of things to keep in mind if you're using an OVO SIM card in a WiFi modem:
Check it's 4G enabled
Your device needs to be 4G enabled to be compatible with OVO's SIM cards. Even if you're not planning to use your tablet on the 4G network and (or!) you're not able to get 4G coverage in your local area, the device itself needs to be 4G enabled.
Make sure it's unlocked
If you bought your device from another telco (like Telstra or Vodafone), it could be locked to their network. That means the device won't register on our network until it's unlocked - it doesn't matter whether you're no longer in contract. If you're not sure if your device is unlocked you'll need to ask the company (or person) that you bought it from. If it's unlocked, the telco that it's locked to will be able to unlock it - you just need to ask them to do it.
It should take a SIM card
When you sign up to OVO you'll receive a SIM card and you'll need to carefully place this into your phone. It might seem obvious, but make sure your device takes a SIM card. With OVO it doesn't matter what sized SIM card it takes - all our SIM cards are multi-fit. That means you can carefully pop out the right sized SIM card for your device: nano, micro or standard sized.
And, just to reiterate, we can't tell you whether your device is unlocked and we can't troubleshoot any issues you have with it. So before you sign up to OVO, please make sure your WiFi device is suitable and if you're not sure please contact the company that you bought it from.