1. Network cable tester: The NF8209S Ethernet cable tester is an upgraded version of the classic NF8209, featuring nextgeneration chips and more precise sensor technology. It offers AC filtering and analog signals in a network audio generator and probe, with three selectable modes (scan, analog/digital) for LAN cable localization. 2. Allinone design: This network cable tester streamlines cable testing and troubleshooting by integrating multiple functions, including CONT, LENGTH measurement, SCAN, POE, FLASH, QC, NCV testing, and LED lighting. With a builtin RJ45 remote interface, no additional setup is needed. Compatible with CAT 5, CAT 6/6A cables, it is a versatile tool for diverse testing needs. 3. Cable test and length measurement: Simply connect the network cable to the transmitter, and the wire tracker automatically detects shorts, crossovers, or breaks, displaying results on the LCD for precise line and port identification. The tester measures cable length and pinpoints open/short circuit distances with dynamic calibration, achieving 99% accuracy. Testing range: 2.5200m (8ft650ft). 4. Port Flashing POE Test: Designed for standard PoE devices (af/at standards), this tester checks power supply voltage, polarity, and mode, supporting up to 60V DC. The hub flash feature helps locate network ports via blinking lights on hubs/switches, compatible with 10M/100M/1000M devices. 5. Cable passage test NCV: Evaluates the physical condition of STP/UTP LAN cables and detects AC voltage presence (50V1000V).