Wireless technology has become very sophistcated and reliable in the last 5 or so years. It is used, by some security companies, almost exclusively. As Jim Shepherd said, wireless offers some supervision (batteries supervised, and each window, door, and motion detector transmitter "check in" to the control, at timed intervals (in minutes), and any failure is reported at the keypad and (in the case of monitored systems), to the central.
BTW, I have been (and still am) full time in the security systems business for well over 30 years, and although we rarely use wireless, it does work well for many applications. Wired systems are lower in cost for the equipment, but more labor intensive than wireless, and offer additional security via full supervision.
__________________
CaptBill
USAF 1965-1971; USCG Master
2002 Horizon 36LD - 2000 GMC Sierra 1500 4x4
Indian River, De
|