The Trend Networks R152009 is a Gigabit Ethernet Multi-stream Bi-directional Transmission Tester with Dual Copper and Optical Ports. The R152009 Transmission Tester is designed for comprehensive turn-up testing, monitoring and troubleshooting of fixed line, mobile, microwave and wireless carrier Ethernet links. The R152009 Gigabit Ethernet Tester is suitable for use on any backhaul link at speeds of up to 1 Gb/s. The R152009 allows enterprise users to monitor the actual bandwidth and performance compared to the agreed service levels from the service provider. The R152009 can also be used to stress test and monitor the performance of LAN backbone links.