You can select/browse different network technologies, 4G, 4G 700, 3G, and CAT-M1.
4G 700MHz (B28) Coverage
LTE Cat-M1 Coverage
The map indicates where Spark estimate network coverage is available. Your experience may vary from the coverage shown depending on mobile capability, how it is used, and the local environment
Like any other mobile network, mobile coverage depends in part on where you are and what particular device you are using. To get the best out of mobile coverage in regional areas, it is recommended that you adopt an external antenna to increase the signal strength and coverage.
Check out our article on Spark operating frequencies here.