Range - The effective operating radio range depends on the building construction and internal layout of the facility.  A typical office or warehouse environment has an effective operating range of 95 meters(300 feet).  

Audio Performance - T7406 uses advanced digital frequency hopping spread spectrum (DFHSS) technology to provide a quality audio path over a 900 MHz radio link.

Security of Conversation - Each Base has a unique Security Code (S.S. Code).  All handsets registered to that base must share the same 6 digit Security Code.  Each handset must also have a unique set identification (Set I.D.’s #1 to 3).  A maximum of three handsets can be registered to one base.