... , ADSL2+, READSL Network Finder LCD Touch Screen XDSL Wlan Tester ADSL, ADSL2, ADSL2+, READSL Network FinderSpecifications:SW_ST330 ... G.994.1 (G.HS)Physical Layer TestADSL2+ Module:Attenuation (dB):0~63.5Noise margin (dB):0 ... error number (CRC,HEC,FEC,NCD,OCD)ADSL2 Module:Attenuation (dB):0~63.5Noise margin (dB):0 ... 7kg(With battery) LCD Touch Screen XDSL Tester ADSL, ADSL2, ADSL2+, READSL Network Finder