Shenztech micro filter also known as ADSL filter and splitter separates your analogue telephone service from the data signals used on your broadband service, allowing you to use both simultaneously.
BT Approved MicroFilter, allowing you to split the analogue / digital signals on a DSL enabled phone line, includes one RJ11 connection for a DSL Modem / Router and a standard UK BT telephone socket allowing the telephone to be used while the DSL is operational.
It will help you get better voice quality. All our ADSL filters are of very high quality and according to BT specifications. It Meets all SIN346 requirements including 'longitudinal balance' test.