Explained: What is 5G, how will it affect New Zealand in 2020

5G wireless technology is hyped as life-changing, connecting everything from cars, fridges, robots and people in real-time.

Spark and Vodafone already offer limited coverage, and this year will ramp it up.

But anti-5G protestors claim the roll-out means humans are being used as scientific guinea pigs.

To read more, please visit the Newhub website.