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KEMO Ultrasonic Signal Generator Module, Push Button Switch, Manual Operation, 1 Count

KEMO Ultrasonic Signal Generator Module, Push Button Switch, Manual Operation, 1 Count

Q: Someone mentioned the frequency fluctuates. Can you lock in a frequency or does it always fluctuate?

My unit does "waver" at about 2 Hz around the set center frequency. When in the audible region it sounds like a sound effect in an old TV show. The "wavering" is definitely an intentional design feature, not a problem with the circuitry. I watched the output on an oscilloscope and the wavering continues even as the frequency moves to the highest end of the frequency range. For any use other than a pure signal generator, like trying to drive away critters, the wavering is probably a good design feature.

Q: If I use this device + piezo loudspeaker + bullhorn will I be able to get the desired effect on a dog about 150-200 ft away?

It works good on some dogs at that range, but others can be within 50 and ignore it. We had 3 dogs next to us and 2 of them never noticed and the 3rd one would stop barking and run for the house. He would head to the house when he was at least 200 feet away, he soon became a non barking dog.

Q: Can this run on batteries? Or only DC power plug?

Batteries such as AA or AAA or similar chemical batteries are DC. The device does not come with a battery compartment. I guess if you attached a battery the device would work.

Product ID: 122306020

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Details

Operation Mode
On off
Contact Type
Normally Open
Connector Type
Screw Terminal
Brand
KEMO
Terminal
Screw

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Description

KEMO Ultrasonic Signal Generator Module, Push Button Switch, Manual Operation, 1 Count

Specifications

Operation Mode	On off
Contact Type	Normally Open
Connector Type	Screw Terminal
Brand	KEMO
Terminal	Screw
Circuit Type	4-way
Actuator Type	Plunger
Contact Material	Metal
International Protection Rating	IP00
Controller Type	Push Button
Control Method	Remote
Connectivity Protocol	Wi-fi
Wattage	4 Watts
Net Quantity	1.0 count
Manufacturer	uxcell
Model number	4330881478
Specific Product Use	personal
Item Weight	454 g
Package Dimensions	13.31 x 8.61 x 4.19 cm; 453.59 g
Item model number	4330881478
Are batteries included?	No

Have a Question? See What Others Asked

Someone mentioned the frequency fluctuates. Can you lock in a frequency or does it always fluctuate?

If I use this device + piezo loudspeaker + bullhorn will I be able to get the desired effect on a dog about 150-200 ft away?

Any idea what AC power adapter to power this unit? thanks

Can this run on batteries? Or only DC power plug?

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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