The NetAlly SFP+ Optical Transceiver Module, SX/SR, 1G/10G, 850 nm, multimode. The EtherScope nXG Portable Network Expert is a multi-technology, all-in-one handheld network tester that enables engineers and technicians to get more done faster, from deployment to maintenance and documentation of their ever-changing Wi-Fi and Ethernet access networks. With its simple operation, yet in-depth visibility, and the ability to remotely access and control EtherScope nXG, engineers can now fully enable and leverage the "local hands" of field technicians to expedite problem-solving.