SonicWALL Secure Remote Access Devices Refurbished Used: NetworkTigers offers quality, tested, seller refurbished and used transferable Secure Remote Access Devices. All refurbished and used SonicWALL Secure Remote Access Units we sell are thoroughly examined by qualified technicians and returned to the SonicWALL's original secure standards. We can overnight these flexible and easy-to-install SonicWALL Secure Remote Access Devices to your location.