10 Best
Wireless Rf Transmitters
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Product Highlights- 3 remote control working modes, instantaneous/switching/locking, through the learning key, you can re-learn the settings, very convenient.
- Receiver can learn 20 remote controls, each remote control can control multiple receivers, flexible combination, easy to operate.
- This 30a high power wireless switch supports high power loads and is suitable for household appliances, production workshops, motors, pumps, lamps, motors etc...
- Adopt wireless rf technology, strong signal receiving ability, remote control distance up to 100m, rapid response.
- Parameters:rated power 220v, maximum load current 30a, rated power 4000w, control type single circuit control, rated frequency 433m, product size approx. 64x42x29mm.
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Product Highlights
- Low-power performance, along with high dynamic range (greater than 60db). module uses highly integrated chip, built front-end low-noise amplifier,mixers, filters, frequency synthesizer circuit, etc., can maximize the signal optimization.
- Good local oscillator radiation suppression, multiple receiver module to work with (ie, more than single income) and will not interfere with each other, used together without affecting the receiving distance.
- Rx470-4 superheterodyne wireless receiver module is receiving uhf ask demodulators support ask and ook modulation. the receiver module has high sensitivity (-108dbm)
- The transmitter module integrates an analog pll circuit and ask modulation circuit, with a high level of integration, etc., can be applied with a short-range wireless communications.
- Widely use for receiver module, remote control rolling gates, remote control mp3, remote control led, remote control audio, smart car, smart home, etc.
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Product Highlights
- 10 x receiver module(433mhz)
- These modules are used for projects when you need to communicate wirelessly between 2 devices.
- 10 x transmitter module (433mhz)
- To increase the reception range, consider using a copper wire to the xy fst solder / plug at the contact point ant.
- It is possible to increase the range by adding a small length of cable which the device will use as an aerial.
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Product Highlights
- 【2 transmitters included】: to think the most for you, we provide two transmitters for more convenient use. no matter in office, living room, bedroom, car or elsewhere, any of the transmitter can lead you successfully to the lost items. better still, esky key finder won't get you uneasy even if you lost one of them!
- 【low power consumption】: premium button batteries are provided for long-lasting use up to a year. owing to its low consumption and rather long standby time, it's definitely your best choice. if any wonder, please contact with our customer service team for help.
- 【6 color-coded receivers】: backup remote control included, and each remote control can pair to all the 6 receivers. just hook your item that may easily lose to any receiver, then you can accurately track it through the beep sound once press the corresponding color button of remote control, helping you out of cum trifles in daily and work life!
- 【sound and light alert】: still worry about the sound and working range that limit its performance? absolutely unnecessary! the wireless item locator works great with 90db loud beep sound (voice is emitted from the side, louder than ever) and 30m/100ft working range in open area. just rest yourself assured since the sound signals can even penetrate walls, floors, cushion...
- 【bonus home care】: it's hard to always keep an eye on your elder parents, forgetful members, or furry friends. now this remote item locator is really a fabulous gift for them. you can give timely assist when they need you, and it saves you time for useless looking around too.
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Product Highlights
- 【easy to use】extremely easy to set up and reset. there are 3 operating mode(momentary/toggle/latched mode) can be chose.you can easily set up by yourself depends on your needs. the operating mode of the product is adjustable.these product are tested before shipping, and they are all set up in toggle mode.
- 【quality assurance】high-quality relay that can be used over 100,000 times.let this product is more long-lasting and stable to use.the blue high-power terminal can withstand a current of 10a, so that this product can have a good effect even when the current is unstable.
- 【great design】433mhz rf wireless remote control switch.stable and reliable performance with high reception sensitivity (>97dbm). strong signal can pass walls, floors, doors.it can be controlled within 50 meters distance with no obstacle.
- 【more flexibility】 this receiver contain 2 relays, and there are 3 terminals(normally open, common, normally closed) for each relay.this 2 relays are independent, so that you can remote control each of them independently by pressing the remote button. each receiver can store about 20 transmitters. and one transmitter can control multiple receivers too( the transmitter n...
- 【wide application】products can be used in homes, farms, factories, offices, laboratories, supermarkets and so on.you can remotely operate every device connect with the relay receiver through the remote control. such as, garage door, electric door, shutter door, expansion door and electric curtain, fan, lamp, lighting, ventilation device, signal transmission and so on.
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Product Highlights
- Wireless transmitter modules allow your arduino to wirelessly comunicate with other arduinos, or with radio frequency (rf) controlled devices that operate in the same frequency (433mhz in this case)
- Compatible with sparkfun’s 434mhz rf transmitter and rf receiver
- Easy to use, nice range (using antenna on both), you can send strings (text) from one point to another. if you want to automate your house without pulling cables then this device will help you well
- They work in pairs, meaning you need both a receiver and a transmitter to comunicate with each other
- This radio transmitter & receiver pair is perfectly matched to allow you to control items from a distance up to 500 feet wirelessly!
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Product Highlights
- 【easy to use】extremely easy to set up and reset. there are 3 operating mode(momentary/toggle/latched mode) can be setup.you can easily setup by yourself depends on your requests. the operating mode of the product is adjustable.this item has already been setup in toggle mode.it can setup in mix mode too. such as 2 channels in momentary mode and 2 channels in toggle mode.
- 【quality assurance】high-quality relay that can be used over 100,000 times.let this product is more long-lasting and stable to use.the blue high-power terminal can withstand a current of 10a, so that this product can have a good effect even when the current is unstable. the receiver is suitable for 85v~250v voltage, it is more flexible to use.
- 【great design】433mhz rf wireless remote control switch.stable and reliable performance with high reception sensitivity (> - 105dbm). radio frequency signal transmission.strong signal can pass walls, floors, doors,board and so on.it can be controlled within 50 meters distance with no obstacle.
- 【more flexibility】 this receiver contain 4 relays, and there are 3 terminals(normally open, common, normally closed) for each relay.this 4 relays are independent, so that you can remote control each of them independently by pressing the remote button. each receiver can store about 20 transmitters. and one transmitter can control multiple receivers( the transmitter need ...
- 【wide application】products can be used in homes, farms, factories, offices, laboratories, supermarkets and so on.you can remotely operate every device connect with the relay receiver through the remote control. such as, garage door, electric door, shutter door, expansion door and electric curtain, fan, lamp, lighting, ventilation device, signal transmission and so on.
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