... plug (RJ11) 2. Phone output: US jack (RJ11) 3. .Material: ABS 94V0/94HB, Bronze 4. CE, ROHS Belgium to US Phone Adapter Description 1 ... .This product exported to Italy,Australia,New Zealand,United States, France, Poland,Canada,England,and other countries.2 ... ≥40dB range 4 kHz - 30 kHz ≥35dB range 1,104 MHz 30 MHzDC insulation resistance between A-wire and B-wire> 5MΩDC ...