ReviewsHigh frequency Chest Wall Oscillation

EMB EMIC1450PRO Dual VHF Wireless Handheld Microphone System w/ Rechargeable Receiver - Great for Any Occasion Such as Karaoke, DJ, Wedding, Church, Classroom, Stage, Business and Outdoor

  • Connect to any speakers, amplifiers, mixer or any DJ Controllers with an optional 1/4" Jack.
  • Use 24Bit/48kHz High Performance Audio Special A/D and D/A Processor.
  • Frequency Range: VHF Frequency | Oscillation Mode: DSP Chip Frequency Lock.
  • Plug and Play unit with Battery Powered Microphone and Portable Receiver.
  • Great for any occasion such as Karaoke, DJ, Wedding, Church, Classroom, Stage, Business and Outdoor.
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EMB EMIC1550PRO Dual VHF Wireless Handheld Microphone System w/ Rechargeable Receiver - Great for Any Occasion Such as Karaoke, DJ, Wedding, Church, Classroom, Stage, Business and Outdoor

  • Connect to any speakers, amplifiers, mixer or any DJ Controllers with an optional 1/4" Jack.
  • Use 24Bit/48kHz High Performance Audio Special A/D and D/A Processor.
  • Frequency Range: VHF Frequency | Oscillation Mode: DSP Chip Frequency Lock.
  • Plug and Play unit with Battery Powered Microphone and Portable Receiver.
  • Great for any occasion such as Karaoke, DJ, Wedding, Church, Classroom, Stage, Business and Outdoor.
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RockvilIe RWM1203VH Wireless (2) Handheld Microphones 4 Church Sound Systems

  • ...4.9/256.9 MHZ, C. 228.9/253.4 MHZ, D. 230.8/255.8 MHZ.
  • Specifications of RWM1203VH: System: Operating Range: 150 feet or more, Channel: Two Channel, Frequency Range: 210MHz - 270MHz, Frequency Response: 40Hz-18KHz, S/N.:>103dB (1KHz-A), Operating Temp: 14°F – 122°F, Oscillation Mode: Quartz Crystal, Frequency Stability: ±0.005%, Harmonic Radiation :< 63dBm.
  • RF Output Power: 10mW, Power Voltage: AC110V- 60Hz, Mic Battery: AA x 2, Receiver: Sensitivity: (S/N=30dB) >2mV, Audio Output Impedance: 600O, Audio Output Level.: 0-0.5V, Power Supply: AC110V 60Hz, Current Consumption: =50mA, Audio Out Connector: 1/4" unbalanced, Transmitter: Frequency Stability: ±0.005%, RF Output Power: =10mW.
  • Modulation Mode: Maximum Deviation Range: ±50KHz, Microphone Mode: Fixed, Power Supply: AA/1.5V×2, Current Consumption: =35mA.
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Rockville RWM1203VH VHF Wireless Dual Handheld Microphone System/Digital Display

  • .... You can request a specific one in the notes, A. 255. 1/227. 1 MHZ , B. 224. 9/256. 9 MHZ, C. 228. 9/253. 4 MHZ, D. 230. 8/255. 8 MHZ.
  • Operating Range: 150 feet or more. Channel: Two Channel. Frequency Range: 210MHz - 270MHz. Frequency Response: 40Hz-18KHz. S/N. : 003e103dB (1KHz-A)..
  • Operating Temp: 14° F 122° F. Oscillation Mode: Quartz Crystal. Frequency Stability: ± 0. 005%. Modulation Mode: VHF. Harmonic Radiation : 003c 63dBm..
  • RF Output Power: 10mW. Power Voltage: AC110V- 60Hz. Mic Battery: AA x 2. Sensitivity: (S/N=30dB) 003e2mV. Audio Output Impedance: 600Ω . Audio Output Level. : 0-0. 5V..
  • Power Supply: AC110V 60Hz. Current Consumption: ≤ 50mA. Audio Out Connector: 1/4" unbalanced. Transmitter: Frequency Stability: ± 0. 005%. RF Output Power: ≤ 10mW..
  • Modulation Mode: VHF. Maximum Deviation Range: ± 50KHz. Microphone Mode: Fixed. Power Supply: AA/1. 5V× 2. Current Consumption: ≤ 35mA..
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ARCELI Online DIY Digital LED 1Hz-50MHz Crystal Oscillator Frequency Counter Meter Tester Kit Tool

  • Used for measuring the oscillation frequency of the crystal.
  • 5 accuracy resolution, such as 0.0050 kHz, 4.5765 MHz, 11.059 MHz.
  • With power saving mode to choice, if there is no significant change in the frequency within 15s, the display will be automatically turned off.
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Hurricane Classic 16 Inch Oscillating Wall Mount Fan with 3 Speed Settings White 2-Pack

  • The 3-speed, Hurricane Classic 16 inch Wall Mount Oscillating Fan allows you to ventilate any space from above.
  • SIDE-TO-SIDE OSCILLATION: 90 degree oscillating wall mount makes it possible to easily change the fan’s position and direction, allowing you to....
  • 3 SPEEDS: The quiet, powerful motor allows you to adjust for ideal air flow and set fan speed.
  • mount high, and control desired speed with the....
  • DURABLE CONSTRUCTION: Features a metal fan grill and strong steel neck support.
  • mounting bracket and 5 ft 120 volt power cord included.
  • ETL Certified: The ETL listing is a mark of the industry’s safety and quality standards in North America.
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Ranjaner 1Hz-50MHz Frequency Counter Kit, DIY Module Board for Oscillator, Crystal Measure Frequency Meter Accessories

  • You can use the universal USB 5V interface power supply, can also use an external DC power supply or 9V battery..
  • The number of components is small, all straight-line components, installation and commissioning simple..
  • Addition and subtraction frequency settings for the measurement of radio transceivers and other equipment..
  • You can select the power saving mode, if the frequency is not obvious changes within 15 seconds automatically turn off the display..
  • Measurable frequency range 1 Hz -50 MHz. Can measure the oscillation frequency of most commonly used crystal..
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WSDMAVIS 1Set Ceramic Discs Mist Maker Atomization Plate with 5V Mini USB Humidifier Module Integrated Circuit Board Driver with Timing Switch DIY

  • High frequency oscillation,more finer particles,large and stable atomization amount, timing shutdown..
  • USB humidifier special micro hole atomization film, surface anti-oxidation silver layer protection coating, the front side is white piezoelectric ceramic ring, the back is all steel material, waterproof solder joint, to prevent open circuit..
  • Diameter of outer silicone ring: about 20mm.
  • Our atomizer plate with 5V frequency driver board, it is more convenient compared with other product. You can start the board via the button after power the module.The atomizer plat should be used with the same frequency circuit board so as to achieve the ideal spray volume..
  • Please refer to the picture for the detailed information of the circuit board structure diagram, wiring diagram and atomizer size diagram..
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Rockville RWM132V VHF Wireless Dual Handheld Microphone System/High Sensitivity

  • ...reen Diamater: 3. 15”, Microphone Body Diameter: 2. 22”, Receiver Dimensions: 8. 27” x 5. 4” x 1. 57”.
  • Specifications: System: Operating Range: 150 feet or more, Channel: Two Channel, Frequency Range: 210MHz - 270MHz, Frequency Response: 40Hz-18KHz, S/N. : >103dB (1KHz-A), Operating Temp: 14°F – 122°F, Oscillation Mode: Quartz Crystal, Frequency Stability: 0. 005%, Modulation Mode: VHF, Harmonic Radiation : 2mV, Audio Output Impedance: 600O, Audio Output Level. : 0-0. 5V, Power Supply: AC110V 60Hz, Current Consumption: =50mA, Audio Out Connector: 1/4" unbalanced. Transmitter: Frequency Stability: 0. 005%, RF Output Power: =10mW, Modulation Mode: VHF, Maximum Deviation Range: 48KHz, Microphone Mode: Fixed, Power Supply: AA/1. 5V×2, Current Consumption: =35mA..
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Mxmoonant 6 Head Ultrasonic Mist Maker Fogger 4200mL/H Water Fountain Pond Fog Machine Square Atomizer Air Humidifier for Pond Aquarium Rockery

  • 6 Head Ultrasonic Mist Maker is suitable for indoor and outdoor pool fogging, covering the pool area of 2-3M2, and is suitable for a fixed water depth of 7-9cm. The water depth should be submerged around 1cm of the sensor head to ensure the normal operation of the mist maker..
  • [Wide Range of Application]: 6 Head Ultrasonic Mist Maker is suitable for rockery, stage, garden, pond fogging.
  • [Safe & Easy to Operate]: Place the Ultrasonic Mist Maker in the water with the front facing up, and plug in the power supply to create a lot of mist. When the item is short of water during operation, it will be powered off automatically, safe and reliable..
  • [Environment Protection]: The Mist Maker does not need to be heated or uses chemical. It adopts electronic over-frequency oscillation with an oscillation frequency of 1.7MHz, which will never harm humans and animals..
  • [Halloween Party]: 6 Head Pond Fogger can create smoke on Halloween or other festivals, presenting a different holiday atmosphere..
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Crystal Oscillator Frequency Counter Tester Meter, DIY 1Hz-50MHz Frequency Indicator Crystal Oscillator Tester Module Kit with 5 Digits Digital Tube Display Red

  • This is a frequency meter based on PIC microcontroller, with crystal vibration measurement function and programmable frequency settings..
  • With five-digit digital tube display, the measurement data display is intuitive and convenient..
  • All of them use direct-plug components. The circuit is simple, easy to make, easy to install and debug..
  • The measuring frequency range of this DIY frequency meter is 1Hz-50MHz, which can measure the oscillation frequency of most commonly used crystal oscillators..
  • Five-bit resolution (e.g. 0.0050kHz, 4.5765MHz, 11.059MHz) supports automatic range conversion..
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