LCD Cable tester for RJ45 RJ11 BNC cable OverviewNF-308 is a practical cable test & inspection instrument with lots of new functions researched and developed by our company.The device is composed of tester (NF-308), receiver (NF-308-S) and remote identifier. It owns three great functions of wire hunting,wire sorting and circuit status testing quickly and accurately. Thus, it becomes available tool for technicians in installation and maintenance ofweak current system, such as, communication line, comprehensive wiring circuit, etc. It is widely applicable to telephone system, computer network and other fields.