Top Frequency Control Products

Flysky FS-GT3B 3Ch GT3B RC Transmitter and Receiver 2.4Ghz RC Car Remote Controller with 3 Channal GR3E Radio Receiver for RC Car Boat Rc Trail Crawler Truck

  • 【Used For】FlySky GT3B Radio Transmitter Remote Controller with GR3E receiver perfect used for rc car, rc truck, rc crawlers, and rc boat..
  • 【RC Transmitter and Receiver】Adopts AFHDS (Automatic Frequency Hopping Digital System). Super active and passive anti-jamming capabilities. Very low power consumption and stable performance. LCD screen display..
  • 【Great Anti-jamming】Working frequency between 2.40GHz-2.4835GHz has been divided into 160 frequency points, each system uses 16 points and 160 hopping frequency to avoid frequency jamming..
  • 【Remote Control Range】 Stable control your model 100 ～ 200m (ground), good works of out of control protection. Let the beginners can control the car or boat easily!.
  • 【Packing List】 1*FS-GT3B Transmitter, 1*GR3E Receiver, 1*Decoder, 1*Instructions. Any question please contact us feel free..
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Presonus Eris E3.5 2-Way 3.5' Near Field Studio Monitor (Pair) with Knox Isolation Pads and Stereo Breakout Cable Bundle

  • BUNDLE INCLUDES: Presonus Eris E3.5 2-Way 3.5" Near Field Studio Monitor Pair, Isolation Pads (2-Pack), and 3.5mm TRS to Dual 1/4-inch TS Stereo Breakout Cable.
  • LOW-FREQUENCY TRANSDUCER: 3.5-inch (89 mm) Kevlar low-frequency transducer.
  • HIGH-FREQUENCY TRANSDUCER: 1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer.
  • ACOUSTIC PORT: Rear-firing acoustic port for superior bass-frequency reproduction.
  • VOLUME CONTROL: Front-panel volume control for speakers and headphone amplifier.
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AD8317 1M-10GHz 60dB RF Power Meter Logarithmic RF Signal Power Detector Controller for Amplifier

  • EASY TO USE :The logarithmic power meter adopts AD8317 chip design, which is convenient to use, small in size, high in efficiency, easy to install, stable and reliable, and is used for radio frequency signal power detection..
  • DETECTABLE :The logarithmic power meter has strict quality control and quality assurance. It can detect the power of the radio frequency signal from -55dBm to 0dBm, and convert the radio frequency signal into a DC voltage output..
  • DYNAMIC RANGE :The greater the amplitude or power of the radio frequency signal, the higher the output voltage, and the output voltage is proportional to the logarithm of the input signal amplitude, thereby expanding the dynamic range of the detection signal to 55dB..
  • WIDELY USED :The logarithmic power meter adopts advanced technology and exquisite craftsmanship, and has been improved to improve durability. Logarithmic detector can be widely used in radio frequency signal detection, signal power measurement, and environmental field strength detection..
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AC Current Sensing Switch Flameproof Adjustable 0.2~30A IP30 Self-Powered Sensing Switch(Normally Closed)

  • Control of various automatic industrial control equipment, flash, buzzer, relay, single chip, or other power load equipment..
  • Using the electromagnetic mutual inductance principle of current, the advanced switch output detection, monitoring and protection alarm type products without power supply technology are adopted..
  • Widely used in substation, frequency control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other need current monitoring automation industry..
  • Compared with traditional transformer and thermal protector, it has the advantages of high accuracy, stable performance and long service life..
  • The current-sensing switch is for safe, convenient monitoring or detecting the current of electric equipment. An ideal choice for automatic industrial control equipment and electric power monitoring..
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Analog Voltage to PWM Signal Converter, 0-5V/0-10V Analog Input Voltage to 0-100% PWM Signal 2KHZ-20KHZ Converter Module,for PWM Motor Speed Control Interface Circuit Activity

  • Voltage to PWM Signal Converter Module: This module can convert 0-5V or 0-10V analog input voltage into 0-100% PWM signal..
  • Wide Application: This module is widely used for PWM motor speed control interface circuit, instrumentation AD interface conversion, and other applications that need convert voltage to PWM signal..
  • PWM Signal Frequency Range: The PWM signal frequency range is 2KHZ-20KHZ, maximum is 20KHZ, default minimum is 2KHZ,Hyuduo is committed to providing customers with high-quality products and thoughtful service..
  • Setable Output Frequency: The default function of this module is converting 0-10V into 0-100% 2KHZ PWM signal, but the output frequency can be set by adjusting potentiometer as needed,stable and reliable performance, practical, easy to operate and use, has a long service life..
  • Two Kinds of PWM Signal: There are two kinds of PWM signal, PNP-PWM output and NPN-PWM output. The PNP-PWM output is only 5V level, NPN-PWM output is 5V and 24V level,If you have any problem,please contact us, we will strive to provide you with satisfactory service!.
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Facial Massager Skin Tightening Machine, 4 Color LED Light Therapy Machine, Promote Face Cream Absorption Strengthening Elasticity Modifying Wrinkles Professional Care Anti-Aging Skin Care Tools.

  • ...our beauty parlor, it is easy to operate at any time..
  • FACIAL LED LIGHT THERAPY: 4-Color LED facial light therapy helps enhance face elasticity, increase blood circulation, and make the skin more beautiful and younger. To reshape the beauty of time, we reject edema、fine lines、facial sagging and large pores..
  • HIGH FREQUENCY MASSAGE: High frequency function helps warm skin temperature opens pores, makes the essence easy to absorb quickly, does not waste skin care essence, and makes skin moisturize for a long time, since then, there is no need to worry that expensive skin care products do not play a role in care. Please continue to use it three to four times a week, when your skin gets better, you can control the frequency of use according to your skin condition..
  • PERFECT COMBINATION: LED Light Therapy with high-frequency vibration massage, you can use the power of vibration massage to tighten the skin by gently exercising facial muscles, so as to improve the muscle tension of cheeks, around the eyes and forehead. This skin therapy wand allows you to use each mode alone or combine them for customized treatment, including anti-aging、skin firming、etc..
  • OUR SERVICES: Warm Prompt, in order to prevent discomfort caused by long-term use in a fixed positio....
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FIFINE 20-Channel UHF Wireless Lavalier Lapel Microphone System with Bodypack Transmitter, Mini XLR Female Lapel Mic and Portable Receiver, Quarter Inch Output. Perfect for Live Performance-K037

  • ...p to 50 feet. Perfect for live performance. ** Not compatible with phones, computers, cameras,and Apple products. Choose model USB lapel K031 if you need it for computers. Come to the model K037B lapel mics if you want to use with camera.**.
  • EASY-TO-READ LCD SCREEN.The screen on transmitter displays the transmitting frequency and remaining battery life, so no need to guess involved.The indicator of receiver will flash and turn green if low battery. You can know the microphone working status well during performance..
  • UNIDIRECTIONAL LAV MIC. Cardioid polar pattern rejects unwanted noise. Included windscreen also reduces plosives, wind and breath sounds. Clip it as close to under your chin as possible and with the top of the windscreen pointing up towards your mouth..
  • 20 SELECTABLE CHANNELS. Easily change to a clean channel if use with other wireless microphone system or experience electronic interference. Good to be used for a mobile DJ. Work with speakers, mixers, amplifiers and sound boards that with 1/4'' interface to output the sound..
  • UNIQUE ID CODE. Each wireless microphone unit has been set a unique ID code that allows the use of several K037 wireless lapel microphone at the same time without worrying about cross connecting issue.Allows multiple wir....
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Snow Tire Chains, 6 Pack Universal Car Emergency Anti Slip Snow Chains, Winter Security Tire Chains Tire Width 195-225mm(7.6-8.9 inch) for Most Cars/SUV/Trucks (Medium)

  • Heavy duty Material: The snow chains are made of alloy manganese steel, which are welded together with 100-150KH High Frequency Current. Manganese alloy cross members provide superior, all-around traction performance and greater durability compared to conventional traction products, and not easy to rust..
  • Safe and Durable: The snow chains grid structure links the three chains together to increase the strength and anti-skid ability, especially to prevent side slip. The diamond-shaped cross chain provides smoother riding, better compatibility with anti-lock brakes, traction control, all-wheel drive (AWD) and other electronically monitored control systems..
  • Tire Chains Attention: 1, No sudden braking, sharp turns. 2, After installing the chains and driving for hundreds of meters, please tighten the chains again. 3, The driving speed should be less than 35 km / h. 4, When there is no snow or mud on the hard road and the anti-skid chains is not required, please take them off in time. 5, Installation is forbidden at the position of the inflation hole..
  • Heavy duty Material: The snow chains are made of alloy manganese steel, which ....
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O-MEGA Titan (Mini S-120)

  • 15 inches long and weighs 1 lb with the two (2) 9v batteries installed. Two (2) 9v batteries and Custom Belt Holster are included!.
  • Top choice of power companies, animal control agencies, and law enforcement for protection against dog or other animal attacks. Self-defense, security, animal control and peace of mind..
  • Please note: There is a single spring loaded activation trigger. This means there is no ON/OFF SWITCH and when the batteries are installed the product is LIVE. Some of our products, such as this one, especially those used in animal control situations, do not have an ON/OFF switch because it limits reaction time to stop a surprise vicious attack. If you must have an ON/OFF switch or a kill switch: DON'T BUY THIS PRODUCT!.
  • It runs on 2 9v Batteries. We say "no" to cheap rechargeable batteries that, too often, fail..
  • Proprietary Pulse Frequency which incapacitates an attacker and can repel an aggressive animal attack..
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Pulse Generator, DROK 2pcs LCD Display PWM Frequency 1Hz-150kHz Duty Ratio 0-100 Percent Adjustable Square Wave Rectangular Wave Signal Generator Board

  • DROK pulse generator module operating voltage range is DC 3.3-30V, adjustable pwm frequency range is 1Hz-150kHz, adjustable duty ratio range is 0%-100%..
  • Application: it can be used as a square wave signal generator, generate square wave signal for experimental development.
  • generate square wave signal to control the motor driver.
  • generate adjustable pulse to control the relevant circuit (PWM dimming speed application etc)..
  • High Frequency Resolution: frequency in range 1Hz~999Hz, display resolution is 1Hz.
  • range 1.00kHz~9.99kHz, display resolution is 0.01kHz.
  • range 10.0kHz~99.9kHz, display resolution is 0.1kHz.
  • range 1kHz~150kHz, display resolution is 1kHz..
  • TTL Level Communication: the frequency meter is designed with single-chip TTL level communication, communication standard is 9600 bps..
  • LCD Display: the blue LCD clearly displays frequency and duty ratio, PWM output can set frequency and duty ratio independently..
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RuiLing 1-Pack 3.5mm IR Infrared Emission Line Remote Control Receiver Extension Cord Cable 1m

  • Package: 1 piece remote control extenders, light-weight, small-size and solid, commonly used when your receiver is hidden away in a cupboard, in a different room, or behind your TV..
  • Connector: Come with a standard universal 3.5mm jack male plug at one end and an IR emitter at the other, 1m cable long enough to position the sensor in anywhere in your house..
  • High Sensitivity: Real time transmission without any delay with its high sensitivity sensor. 38kHz frequency range, compatible with various of electronic products and appliances..
  • Purpose: Used with an IR Repeater kit to control a device, allow you to extend remote control ability to a location that the remote control or IR repeater system block can't reach..
  • Application: Allows you to control A/V component by the existing IR controller, such as set-top box, stereo receiver, car audio system, hard disk player, Satellite TV receiver, CD player, DVD player, Bluray player or other components..
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Ahwhg Anti Barking Device, Dog Barking Control Devices,Rechargeable Ultrasonic Dog Bark Deterrent up to 16.4 Ft Effective Control Range Safe for Human & Dogs Portable Indoor & Outdoor(Blue)

  • ...ce for Dog Training and Dog Bark Control. The ultrasonic emitted by the Ahwhg bark control device can attract the attention of dogs and help prevent dogs from barking, digging, scratching, biting, climbing on furniture and other unwelcome behaviors..
  • Two Safe and Effective Frequency: This bark control device can emit 25KHZ fixed frequency and 30KHZ variable frequency, which humans won't receive but it works for dogs. The dog whistle to stop barking has no shock, no vibration, no noise,no touching the dog's skin, nor will it affect the dog's hearing,so harmless to dogs. Suitable for small medium large dogs..
  • Powerful and Easy To Use: Ahwhg dog barking control devices not only trains your dog, it also stops other dogs from approaching you while walking, jogging or biking. Just press the button and point the device at the dog while the dog is barking or approaching you, and the dog will stop their bad behavior. Quadruple tap to switch between the two frequency modes..
  • Longer Control Distance & Portable Size : The control range of bark deterrent is 16.4ft. The small dog barking deterrent along with a wrist st....
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