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Zrabra®

DC 5V 315MHz Wireless Remote Control Receiver Board Module RX-3

Digg(100) ( 8 Reviews)
       
US $2.69
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High quality receiver board module with great performance, this wireless receiver module is your best choice!This is a wireless receiver module with high quality. The wireless receiver module is extremely easy to set up and use. the wireless receiver module is with simply design, but powerful in performance. Very good stability. More than 20 kinds of frequencies are optional (from 260MHz to 440MHz). made of high quality material, the wireless receiver module is durable and reliable for long time usePractical and reliable, best choice for you, do not miss it!
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Product Description

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  • Specifications:

    • Working Voltage: DC 5V
    • Static Current: 5mA
    • Receiving Sensitivity: -103dBm
    • Transmission Frequency: 315MHz (more than 20 kinds are optional from 260MHz to 440MHz)
    • Dimension: 30 x 14 x 7 mm / 1.18 x 0.55 x 0.28 in
    • Low power consumption, high sensibility of this Receiver Board Module
    • Easy operation & installation

    Details:

    Zrabra DC 5V 315MHz Wireless Remote Control Receiver Board Module RX-3

    • Low power consumption, high sensibility of this wireless receiver module

     Receiver Module

    • The wireless receiver module is with easy operation & installation

    Receiver Board Module

    • Make convenient for your daily use with this wireless receiver module

    Wireless Receiver Modul

    • Adopt advanced technology, the wireless receiver module is great in performance

    Application:

    • Remote control, remote measurement and remote sensing
    • Anti-theft alarm signal receiving and various remote controls for home-appliances

    How Do Remote Controls Work?

    • Generally, there are two types of remote controls: infrared (IR), and radio frequency (RF). Infrared remote controls work by sending pulses of infrared light to a device, while RF remote controls use radio waves in much the same way. Pragmatically, the biggest difference between the two is range. IR remote controls require a clear line of sight to the receiving device and their range maxes out at about 30 feet (9.14 meters). RF remote controls can go through walls and around corners, with a range of roughly 100 feet (30.48 meters)
    • Most home entertainment components such as stereos, televisions and home entertainment centers use IR remote controls. The remote contains an internal circuit board, processor, and one or two Light Emitting Diodes (LEDs)
    • When you push a button on a remote control, it transmits a corresponding code to the receiving device by way of LED infrared pulses. The idea is somewhat akin to flashing an SOS signal, but instead of letters, the flashing LED light is transmitting a series of 1s and 0s. The "1" might be represented by a long flash, while "0," a short flash. A receiver, built into the component, receives the pulses of light and a processor decodes the flashes into the digital bits required to activate the function
    • Along with the desired function, remote controls must also piggyback other data. Firstly, they transmit the code for the device they are controlling. This lets the IR receiver in the component know that the IR signals it is picking up are intended for it. It essentially tells the component to start listening. The function data follows, capped by a stop command to tell the IR device go back into passive mode
    • Some remote controls can be very finicky, requiring the user point the remote directly at the component. This is due to a weak transmitter. Changing the batteries can help, but if the transmitter itself is poor, pulses are transmitted in a narrow beam. More robust IR transmitters, and remote controls with double LEDs, transmit broader beams that allow the user to point the remote in the general direction of the transmitter
    • Sometimes it happens that a recliner or favorite spot on the couch does not have a clear line-of-sight to the entertainment center or television. Often a coffee table or some other object is in the way. When this happens we find ourselves raising an arm, trying to control the object "around" the device. This can get quite annoying, but there's an easy alternative
    • Since light bounces off objects it is sometimes more convenient to point remote controls towards a flanking wall or even the ceiling to change a channel or send a function command. The light will bounce off the surface of the wall or ceiling and scatter. If you bounce it at an advantageous angle, the scattering light will reach the component. Often it's easiest, with elbow resting on an armrest, to flip your wrist back and point the remote up at a wall behind you. This can work quite well, even though the remote is pointing in the exact opposite direction of the component. Once you find the easiest sweet spots around the room from which to bounce your signal, you can use these instead of struggling with trying to get around your obstructed line of sight
    • Garage door openers, alarm systems, key fobs and radio-controlled toys use RF remote controls. RF remote controls work essentially the same as IR remote controls, except they use radio waves. As stated, radio waves can also penetrate walls and go around objects and corners, making RF arguably more convenient than IR
    • Some high-end entertainment systems come with RF remote controls for expanded remote range. There are also IR-to-RF remote control converters that allow IR remote controls to extend their range through utilizing a RF translator that basically acts as a middleman. The RF converter relays the IR signal in RF waves to get it further. The converter on the component side reverts the RF signal back to IR so the component can understand it
    • Most home entertainment components such as stereos, televisions and home entertainment centers use IR remote controls. The remote contains an internal circuit board, processor, and one or two Light Emitting Diodes (LEDs)
    • When you push a button on a remote control, it transmits a corresponding code to the receiving device by way of LED infrared pulses. The idea is somewhat akin to flashing an SOS signal, but instead of letters, the flashing LED light is transmitting a series of 1s and 0s. The "1" might be represented by a long flash, while "0," a short flash. A receiver, built into the component, receives the pulses of light and a processor decodes the flashes into the digital bits required to activate the function
    • Along with the desired function, remote controls must also piggyback other data. Firstly, they transmit the code for the device they are controlling. This lets the IR receiver in the component know that the IR signals it is picking up are intended for it. It essentially tells the component to start listening. The function data follows, capped by a stop command to tell the IR device go back into passive mode
    • Some remote controls can be very finicky, requiring the user point the remote directly at the component. This is due to a weak transmitter. Changing the batteries can help, but if the transmitter itself is poor, pulses are transmitted in a narrow beam. More robust IR transmitters, and remote controls with double LEDs, transmit broader beams that allow the user to point the remote in the general direction of the transmitter
    • Sometimes it happens that a recliner or favorite spot on the couch does not have a clear line-of-sight to the entertainment center or television. Often a coffee table or some other object is in the way. When this happens we find ourselves raising an arm, trying to control the object "around" the device. This can get quite annoying, but there's an easy alternative
    • Since light bounces off objects it is sometimes more convenient to point remote controls towards a flanking wall or even the ceiling to change a channel or send a function command. The light will bounce off the surface of the wall or ceiling and scatter. If you bounce it at an advantageous angle, the scattering light will reach the component. Often it's easiest, with elbow resting on an armrest, to flip your wrist back and point the remote up at a wall behind you. This can work quite well, even though the remote is pointing in the exact opposite direction of the component. Once you find the easiest sweet spots around the room from which to bounce your signal, you can use these instead of struggling with trying to get around your obstructed line of sight
    • Garage door openers, alarm systems, key fobs and radio-controlled toys use RF remote controls. RF remote controls work essentially the same as IR remote controls, except they use radio waves. As stated, radio waves can also penetrate walls and go around objects and corners, making RF arguably more convenient than IR
    • Some high-end entertainment systems come with RF remote controls for expanded remote range. There are also IR-to-RF remote control converters that allow IR remote controls to extend their range through utilizing a RF translator that basically acts as a middleman. The RF converter relays the IR signal in RF waves to get it further. The converter on the component side reverts the RF signal back to IR so the component can understand it

    Package Included:

    • 1 x Receiving Board

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Bruno Gosselin

Bought this item on

06-16-2011

 
PERFECT
00:00:00 06-16-2011
This is exactly what we needed, we are using it under our deck for our pond pump. Can turn the pump on and off anywhere from the house. I wish it came with 2 remotes but it works fine as is.
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Erin Tuttle

Bought this item on

06-01-2011

 
Happy Customer
00:00:00 06-01-2011
I purchased two remotes and I absolutely love them. The first remote I used on my water fountain all summer without a problem. It worked every time. Now I'm using both remotes for my Christmas lights and they work perfectly. I would highly recommend this product to anyone.
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Stephen Lieu

Bought this item on

05-25-2011

 
Saved me an electrical hassle
00:00:00 05-25-2011
I installed this in a corner of my garage where I set up a music studio. Saved me from wiring a new switch for lights... I have it linked up to white Christmas lights hanging from the ceiling... wirelessly! <br/> <br/>Everyone who has seen me click the button to turn the lights on has been amazed and asked me about it! <br/> <br/>Definitely a great buy! :)
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Robins Meade

Bought this item on

05-16-2011

 
excellent choice
00:00:00 05-16-2011
This thing is awesome. I gotta find more uses for these things as they are so cool. I have the remote hidden under a ledge. People have no idea how the disco lights seem to come on and go off "on their own". A very clever device. Love it!
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Kevin Louis

Bought this item on

05-02-2011

 
Works great
00:00:00 05-02-2011
We got this to turn our water fountain on and off and it gets the job done.
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Jenny McKee

Bought this item on

04-26-2011

 
Great product
00:00:00 04-26-2011
Installation was very simple. The product is working very well. Seems to do everything it claims.
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Miguel Mercado

Bought this item on

04-19-2011

 
Works Great
00:00:00 04-19-2011
My living room is pretty big (24 x 19) and has 0 overhead lights. I get pretty sick of getting home from work every night and walking around the room turning on and off the lights, one by one. Now I can push a button before I even pull in the driveway and the lights are on to greet me. I currently have 2 in the room and sometimes if I barely tap the button the lamp closest to me will only work, but that's an easy fix. The remote even works after our puppy chewed it up! I've had them for almost a year now and I haven't had to replace the remote battery either! I recommend if you don't want to spend your time walking around your living room.
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Nick Nelson

Bought this item on

04-05-2011

 
Works Really Well
00:00:00 04-05-2011
After seeing problem reviews with the clapper, bought this instead. Works as it says and I don't have to listen to my sweetie "clapping" after I've already gone to sleep. I am hoping to find a channel "B" one and use it for backyard Christmas lights this fall.
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