St332b tester is multi-functional hand-held adsl2+ test instrument with small size, specially designed for xdsl line test (xdsl include: adsl, adsl2, adsl2+ readsl etc) and maintenance it provides xdsl test, pppoe dial test, dmm test, modem emulation, line voltage indication and so on. The tester adopts lcd display and menu operation which can display the test results directly and improve the xdsl broadband service greatly. Itf+s the best choice for the field operators of installation and maintenance. Key features: 1) Test objects: adsl2+; adsl;adsl2;readsl 2) Multifunction: physical layer test; modem emulation ; pppoe dial ; dmm test; browse ip address information; determine telephone line faults (line break or mix) 3) Judge the quality of service 4) Data memory capacity: 50 records 5) LCD display 6) Menu operation 7) Simple, portable and money-saved. 8) Telephone functions, can detect incoming call, built-in earphone and microphone (optional). 160*76*28(mm).