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Alert System Type
Driveway Alert
Entry Alert
Motion Alert
Sensor Type
Vehicle / Driveway
Radio Frequency (RF)
Battery Operated
Outdoor Rated
Ease of Installation
Beginner (Installs < 10 minutes)
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Wireless Chime for your Optex Wireless 2000 or 1000 Annunciator System works with up to 9 Transmitters
Optex RC-20U 3 Channel Receiver Chimebox w/ Relay
Optex RC-20U 3 Channel Receiver Chimebox w/ Relay
Optex RC-20U 3 Channel Receiver Chimebox w/ Relay
Item# 7136CR
Price: Normally $101.99 
Hot Deal $69.88
Free shipping on orders over $175 - See Details


  • Accepts 9 transmitters and identifies each group of 3 with a different chime tone
  • Operates with 9VDC adapter (included)
  • Wall-mount or table-mount design
  • Form C relay for activating other devices (50V AC 1A max. or 24V DC 1A max.)

Essential Info

Install the Optex RC-20U Wireless Chime to enhance your Optex Wireless 2000 and 1000 systems. This wireless chime alerts you of a perimeter breach with three different chime tones. You can even program certain groups of transmitters to respond to different chime tones. The wireless chime also features a Form "C" relay for triggering and activating other chimes, lights, or other devices (50V AC 1A max or 24V DC 1A max).

The chime can be mounted to a wall or used as a tabletop device and is powered by a 9VDC power adapter (included). Up to nine transmitters can be used with one chime.


  • Power Source - 9VDC Power Adapter (included)
  • Chime Tones - 3 Tones and one "Latching" alarm
  • Volume: Adjustable: 0~80dB/5 levels (Continuous zone: max.)
  • Relay Rating: 50V AC 1A max or 24V DC 1A max.
  • Output Timer: Selectable: off/1/5/30/60sec/utility output mode
  • Radio Frequency: 418MHz
  • Operating Temperature: 15°F~204°F (-20°C~+40°C)
  • Maximum Number of Transmitters: 15°F~204°F (-20°C~+40°C)
  • Reviews

    5 Ratings
    5 star: 80%  (4)
    4 star: 0%  (0)
    3 star: 20%  (1)
    2 star: 0%  (0)
    1 star: 0%  (0)
    Average Customer Rating
    (5 customer ratings)
    Share your thoughts with other customers
    ANNETTE -- talihina, OK   2/23/2013
    We needed a new receiver, but not a new transmitter for our 1000 model. We ordered from Smarthome because they said up front that the new 2000 is compatible with the old 1000 (that receiver is not available anymore), which is what we needed to be assured of. They also offered free shipping, which made their site the best choice for price. The receiver came promptly and works great! The only problem is that the instructions are dreadful, but that is Optex's fault, not Smarthome.
    RAYMOND -- gaithersburg, MD   8/9/2012
    this unit works well in my house. Its sits in my Master BR but can be heard on both levels. I bought it to serve as a door chime to let my mate know when Iwas comming in and out since the door is three levels down. No more scaring her to death by popping up unnanounced. only complaint is no battery power so if power dies so does the monitor
    WILLIAM CHRIS -- adrian, MI   12/8/2011
    So far so good seems to work perfect almost too good.Neighbor started a fire about 80 yards away and I had to shut it off for a while until the fire burnt down a little.
    ATTN: JADE -- moorhead, MN   7/5/2011
    It works well with a light chime that isn't annoying. We use it in several offices on campus.

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