Reviews Frequency Control

Duokon Car Mobile DVD TV Receiver Analog TV Tuner Strong Signal Box with Antenna Remote Controller

  • more clear and stable ----- This model use the IIC bus control technical and frequency and phase lock loop control technology, makes picture quality more clear and stable, non-drift phenomenon, can receive wired and wireless analog TV signals.
  • Receive TV format -----Receive TV format including PAL, SECAM, NTSC and TV sound System (DK, I, BG, M)..
  • portable DVD ----- Connect your portable DVD or monitor and watch analog TV..
  • Easy to operate ----- Receive closed-circuit television signal or outdoor signal, With OSD menu display function, mor....
Check Stock

Agatige Frequency to Voltage Converter Module, 0-10Khz to 0-10V F/V Digital to Analog Converter Conversion Module

  • FUNCTION: The frequency of the pulse signal 0HZ to 10KHZ converts into an analog voltage signal of 0-10V. Can be used to interface switching between the PLC and the frequency converter, or interface matching such as the matching of motion control card and inverter control..
  • FEATURES: Input pulse level is 5V 12V 24V, which can be directly entered without serial resistor. The input signal frequency must maintain more than 0.5 seconds..
  • ANTI-INTERFERENCE: Conversion module's signal inputs with optical coupling isolation, which can ensure that the capability of anti-interfence..
  • APPLICATION: Frequency to Voltage Converter Module Can be used for industrial control panel PLC or other signal interface switching.
  • MAJOR SPECIFICATIONS: Output current: 5MA,Voltage: 0-10V, Input pulse level: 5V 12V 24V, Frequency: 0 to 10KHZ..
Check Stock

Behringer 904B VOLTAGE CONTROLLED HIGH PASS FILTER Legendary Analog High Pass VCF Module for Eurorack

  • Vintage-sounding 904B High Pass VCF module from the '70s.
  • Authentic reproduction of the circuitry from the "Modular 55 & 35" Series.
  • Artist roster includes world's most famous pop, rock and jazz musicians.
  • Audio in and out connectors plus 3 CV inputs for control of frequency.
  • Frequency control and range switch allows full manual control of cutoff frequency.
Check Stock

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..
Check Stock

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.
Check Stock

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..
Check Stock

GoControl/Linear GD00Z-4 Z-Wave Garage Door Opener Remote Controller, Small, Black

  • Go Control z-wave products provide up to 100 feet range between the wireless controller and/or the closest z-wave device.
  • Nortek security & control/Go Control has been providing best-in-class home & business control solutions for over 50-years and is a leading worldwide mfg. . of z-wave products.
  • Garage door position sensor frequency: 345 MHz.
  • This product requires the use and pre-installation of a Z wave HUB..
  • Add Z-Wave control to your current garage door opener. Compatible with virtually any automatic garage opener w-sectional garage door.
  • Linear Z-Wave products provide up to 100 feet range between the wireless controller and/or the closest Z-Wave device.
  • Provides both audible and visual warnings prior to door movement.
  • Linear has been providing best-in-class home & business control solutions for over 50-years and is a leading worldwide mfg.. of Z-Wave products.
  • Specifications - Power: 120VAC, 50/60 Hz, Garage door position sensor frequency: 345 MHz, Z-Wave Frequency: 908.42 MHz.
Check Stock

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..
Check Stock

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....
Check Stock

Bark Control Device, Upgraded Anti Barking Device with Effective 3 Adjustable Sensitivity and Frequency Levels, Ultrasonic Dog Bark Deterrent Pet Behavior Training

  • ... bark control automatically emits high-pitched sounds that only dogs can hear. Automatically sense the sound of the dog, once the dog stops barking, the ultrasonic barking control automatically stops emitting ultrasonic waves..
  • 【 & 】: Ultrasounds do not interfere or harm humans because humans cannot hear these frequency bands, but dogs are sensitive to these ultrasounds. Different dogs may be sensitive to ultrasound in different frequency bands. Please turn the knob to test different frequency bands for best results. If the dog is hard of hearing or aggressive, the device may not work as expected..
  • 【 】: Ultrasonic dog bark controls come in 3 adjustable sensitivity and frequency levels (15-30 KHZ, suitable for large, playful dogs.
  • 30Khz suitable for small dogs) to help you choose different waves and handle different dog barks easily. Adjust the frequency of training each week to maintain the results of training. The 33 ft (10 m) wide control range is suitable for stopping the neighbor's dog from barking at you and your family..
  • 【 】: Ultrasonic penetration is 33ft, covering both indoor and outdoor areas. Compared to traditional dog trainers, it completely frees your hands. You can easily train your dog's behavior b....
Check Stock

PreSonus Studio 1810c USB-C Audio Interface 18-in/8-out USB-C Audio Interface with 4 Xmax Preamps

  • ...sonus Eris E3. 5 3. 5" Powered Studio Monitors Speakers with Acoustic Tuning + Pair of Rockville RVSM1 Heavy Duty Near-Field Studio Monitor Stands w/ Adjustable Height for Use in any Studio Environment.
  • Pair PreSonus Eris E3. 5 3. 5" Powered Studio Monitors Speakers with Acoustic Tuning. 3. 5-inch (89 mm) Kevlar low-frequency transducer. 1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer. Rear-firing acoustic port for superior bass-frequency reproduction. Optimized, resonance-suppressing internal bracing. High- and low-frequency tuning controls. Front-panel Volume control for speakers and headphone amplifier..
  • 50 watt (25W/side), Class AB bi-amplification. RF interference, output current limiting, over-temperature, transient, and subsonic protection. Amplifier “soft start” feature eliminates popping on power-up. Internal power supply with IEC connector. Power switch with on/off LED. Balanced ¼-inch TRS, unbalanced 1/8-inch stereo, and RCA inputs. Integrated stereo headphone amplifier with front-panel 1/8-inch output. Protection: . RF Interference. Output-Current Limiting. Over-Temperature. Turn-On/Off.
  • Specifications: Inputs: (1) Stereo 1/8" , (2) Balanced 1/4" TRS, (2) Unbalanced RCA . Frequency Response: 80 Hz - 20 kHz. Crossove....
Check Stock

VIRFUN Fog Machine Remote Control Replacement Part and Receiver, Lights Remote Control Part for 400 500W Smoke Machine, 3 Pins Round Plug, 2 and 3 Channel Connections

  • NOTE: Please read the information before you buy the remote control. Due to the different configuration of products produced by different factories, they may not be used. Only fit for some 400, 500w fog machine with same line and same received signal frequency. If you have any questions, please contact us as soon as possible..
  • Universal 3 Pins XLR Interface: It is not DMX adapter. The lines between receiver and fog machine are 2 and 3 channel connections. Some of them are 1 and 2, or 1 and 3, and they can’t be used. Suitable for 3 Pins XLR Interface LED Lights of fog machine, smoke machine, smoke fog machine..
  • 315MHz FREQUENCY: The remote of fog machine is only suitable for 315MHz frequency machines. The remote control needs to be used with the receiver..
  • RF LED Lights Remote Control: It fits RF(radio frequency) machines. There are total 13 colors for you to choose from and 4 Special Effects. The RF receiver is not included. Only the smoke machine with the same lighting function can be used..
  • Easy to Use: New style 2 keys-ON/OFF, can control your fog machine within a 45ft radius. It is more easy to use. If you have any questions, please contact our customer service, we will reply as soon as possible. Thank you..
Check Stock

Rotary multifunctional tattoo machine, RCA tattoo gun tool Liner Shader

  • 10W high-powered motor with high-powered engine, powerful and stable power, durable tattoo makeup, long-term operation without perm, suitable for all brands of tattoo syringes..
  • Tattoo machine, you can adjust the tension according to your needs, control the intensity and frequency, secant, fog, color, image, totem, old and new traditions allow to control any type of style, fast color, small skin lesions..
  • Easy weight control: ultra-light, easy to control and manage. Suitable for lining and shadows, easy to control, with calls and reception..
  • Adjustable tension, tattoo machine can adjust tension according to needs, intensity and frequency control, secant, fog, color, image, totem, old and new..
  • Low noise, giving guests a quiet tattoo environment. The body part consists of a highly anodized surface that is not easily scratched and faded.
Check Stock