In addition to standard phone-line alarm communication to the central monitoring station, there are several alternative primary and back-up options. What is installed depends on the level of security required and on the application (commercial versus residential) Wireless -Skyroute wireless transceivers send alarm communication when no land line is present -Protect against accidental line cuts cause by storms, construction or deliberate tampering Internet -Internet alarm communication eliminates costly phone lines -Improves security with a fully supervised line (the central monitoring station knows almost instantly in the event of a line cut) -Security managers can program their systems remotely The TL150 – Ideal for residential applications The TL250 – Ideal for commercial applications The TL300 – Works with most available alarm control panels