USA BUYERS !!! Due to USA policy post office no longer accept, please contact me FIRST before buying Thanx and sorry !! USA policy not mine :-(

I SHIP WORLDWIDE !!!

TELEPHONE RING DETECTOR  

SMALL size only 2,6 * 2 cm !!

Its relay output activated, when the phone is ringing.

if you need a more complex PASSWORD accessed device check my other item -> Lock-o-phone Telephone Door unlocker

it can be connected standalone in a telephone line OR in PARALLEL with existing phones

It does NOT affect telephone usage, has VERY LOW line consumption and so it is possible to have 2-3-5 or more in the same line

has been tested with modern Voip-adaptors (analogue out), xDSL-Routers / Fiber-router with build in analogue out, GSM terminal (analogue out), Telephone Switches , etc.

Its usual usage is

• to activate a siren and/or a lamp, in noisy environments, like factories.
• to activate a lamp, when telephone ringing is off
• Heavily used in office telephone switch (PBX) to open a door (electric strike) using a specific internal line number (FXO)
• Remote ringing siren, when you need to informed to remote locations
• for deaf people
• numerous automations

Home build-ed, and tested. EVERY item !