Mobile Voice Smart Repeater Kits Nextivity Cel-Fi GO G31 for Telstra has been removed from sale as it has been discontinued by Telstra and the ACMA Cel-Fi GO G41 Repeater Kit for Fringe or Hilly Areas Cel-Fi GO G41 Low Interference Repeater Kit Cel-Fi GO R41 Repeater Kit for Vehicles with Quick Removable Antenna Cel-Fi Go G41 Repeater Kit for Regional Areas Cel-Fi Go G41 Repeater Kit for Remote or Outback Areas Cel-Fi Go G41 Repeater Kit for Urban Areas Cel-fi GO G51 3G/4G/5G Repeater Kit for Fringe Areas or Urban sites with High Interference Cel-fi GO G51 3G/4G/5G Repeater Kit for Fringe or Hilly Areas – Telstra or Optus