ZTE signed a contract with Slovak operator Swan for a nationwide LTE network project. ZTE will exclusively construct the core CS/PS (circuit-switched/packet-switched) network and a GSM/LTE mobile communications and VAS network, involving over 1,100 dual-mode GSM/LTE base stations, reported Telecompaper.com on Aug 28, 2014. Swan was granted the fourth mobile operator license in Slovakia in January and plans to build more than 1,100 GSM and LTE base stations within three years. ZTE will be using its SDR (software-defined radio) solutions to provide seamless dual-mode GSM/LTE communications across the country. To manage mobile communications across Swan\'s spectrum structure, ZTE will use full-bandwidth, high-power RRUs (remote radio units) to avoid spectrum fragmentation and to deliver high bandwidth and LTE frequency adjustment. Swan\'s nationwide LTE network project is the first large-scale commercial network built by ZTE in Slovakia.