https://www.gsmarena.com/network-bands.php3?sCountry=CanadaCanada...

https://www.gsmarena.com/network-bands.php3?sCountry=Canada

Canada

	2G capabilities	GSM 850, GSM 1900

	3G capabilities	UMTS 850, UMTS 1700, UMTS 1900

	4G capabilities	LTE 700 (12, 13, 17, 4, 29), LTE 1700 (4, 66), LTE 1900 (2), LTE 2100 (4), LTE 2300 (40), LTE 2500 (7), LTE 2600 (7, 38), LTE 3500 (42)

 

Compare with Australia - 

Australia

	2G capabilities	Obsolete - GSM 900, GSM 1800

	3G capabilities	UMTS 850, UMTS 900, UMTS 2100

	4G capabilities	LTE 700, LTE 850, LTE 900, LTE 1800, LTE 2100, LTE 2300, LTE 2600 (7)

And NZ

New Zealand

	2G capabilities	GSM 900, GSM 1800

	3G capabilities	UMTS 850, UMTS 900, UMTS 1800, UMTS 2100

	4G capabilities	LTE 700, LTE 1800

And UK

United Kingdom

	2G capabilities	GSM 900, GSM 1800

	3G capabilities	UMTS 900, UMTS 2100

	4G capabilities	LTE 800, LTE 1800, LTE 2600

Not sure what all those numbers mean 

Spacetalk operates on 850MHz, 2100MHz in Australia.  What this means in terms of our hardware - perhaps others could comment.