The Cel-Fi PRO Repeater has been tested, authorised and approved by Vodafone for use on the Vodafone New Zealand Network.
Nextivity's third generation Cel-Fi PRO is a cost-effective and intelligent indoor coverage solution for the Vodafone 3G and 4G networks operating on the 3G 900/2100Mhz and 4G 1800/2600 bands. It is designed to dramatically boost indoor voice quality and increase data speeds for HSPA or LTE consumers. Please note it does not cover the 700MHz 4G band
You will need to use the free Cel-Fi Wave app to register your Cel-Fi for it to work. You can download the app here