Reviews Hight Frequency Board

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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in Ear Headphones, KZ AS10 Five Balanced Aramature Extra Bass Universal-Fit Earphones Compatible(Cyan Without Mic)

  • 3D PRINTING TECHNOLOGY - The internal acoustic structure is made by modern high-precision 3D printing technology.
  • FIVE BALANCED ARAMATURES - The sophisticated crossover circuit design fully utilizes the performance advantages of each balanced armature..
  • HIGHT RESOLUTION & RICH DETAILS - The 22955 low-frequency balanced armature which is customized for AS10, it is not only low-frequency strength but also full of explosive power.
  • AUDIPHILE & REMOVABLE CABLE - Professional wire providing excellent sound quality signal transmission, anti-pull, anti-torsional, anti-corrosion..
  • ONE-YEAR WARRANTY - You will get 1 year warranty and friendly customer service from the date of purchase. Please feel free to contact us if any problems, we are very happy to provide help for you. Thanks~.
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KZ AS10 Five-Driver Stereo High Fidelity in-Ear Musicians’ Monitors with Removable Braided Audio Cable (Black Without Mic)

  • 3D PRINTING TECHNOLOGY - The internal acoustic structure is made by modern high-precision 3D printing technology.
  • FIVE BALANCED ARAMATURES - The sophisticated crossover circuit design fully utilizes the performance advantages of each balanced armature..
  • HIGHT RESOLUTION & RICH DETAILS - The 22955 low-frequency balanced armature which is customized for AS10, it is not only low-frequency strength but also full of explosive power.
  • AUDIPHILE & REMOVABLE CABLE - Professional wire providing excellent sound quality signal transmission, anti-pull, anti-torsional, anti-corrosion..
  • ONE-YEAR WARRANTY -You will get 1 year warranty and friendly customer service from the date of purchase. Please feel free to contact us if any problems, we are very happy to provide help for you. Thanks~.
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Baofeng UV-5R Ham Two Way Radio Upgrade Version (144-148/420-450Mhz), Dual Band Walkie Talkie

  • PLEASE PAY ATTENTION to that the item is the latest version of the UV-5R radio, whose frequency is 144-148/420-450Mhz. You have to set the frequency among 144-148Mhz/420-450Mhz,or the radio will not transmit.
  • 128 Channels 50 ctcss and 104 CDCSS dual-band display, Dual Freq. Display, dual-standby, a/B band independent operation | High/low TX power selectable: busy Channel lock-out(bclo)..
  • 【FCC Certificate】UV-5R As a Amateur Radios(Equipment Class: Scanning Receiver), has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. FFC ID: 2AJGM-UV5R..
  • Tri-color background light selectable. The FCC ID of UV-5R is 2AJGM-UV5R.
  • LED flashlight: hight/low RF power switchable.Keypad Lock: channel step: 2.5/5/6.25/10/12.5Khz | voice Companding: 50 ctcss/ 104DCS coder & tone searching..
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20MM Ultrasonic Mist Maker Ceramic Disc / Fogger Replacement Discs for Atomizer Humidifier Parts - Pack of 10

  • Humidifier Ceramic disc diameter is 20mm (not include rubber ring)..
  • Easy to change and install, This Ceramic Disc is mainly used in the household humidifier..
  • High temperature calcined ceramic atomizer disc , Anti-aging, anti-corrosion, durable..
  • Package includes : 10x 20mm Humidifier Ceramics Discs ,1x Replacement Key.
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HRTSELEC 20MM Ceramics Ultrasonic Mist Maker Fogger Replacement Discs for Humidifier Parts with Replacement Tool - 6 Pack

  • Ceramic replacement disc diameter is 20mm (not include rubber ring).
  • Easy to change and install,This Ceramic Disc is mainly used in the household humidifier..
  • High temperature calcined ceramic atomizer, Anti-aging, anti-corrosion, durable..
  • Package includes: 6 x 20mm Ultrasonic mist maker discs ,1x Replacement Tool.
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Board Games Double-Sided Dart Board for Kids with 4 Darts 12 Sticky Balls Darts Board Set with Hook Safe Indoor Party Games and Classic Toys Gifts for 4 5 6 7 8 9 10 11 Year Old boy Kids Adult

  • 【Value Package】: The dart board for kids includes 12 sticky balls, 6 darts, 2 hooks,1 colorful dart board. It comes with a suction cup that can be....
  • 【Hight-Quality Dartboard Games】:The fabric of the dart board is supported by steel wire that makes it soft and elastic.And the sticky balls and....
  • 【Foldable and Portable】: The diameter of the kids board games is 19.67 in, the folded size is 7.08 in, and the weight is 9.95oz. It is light and....
  • 【Beneficial to Kid’s Intelligence】: The kids dart board with a combination of multiple colors and numbers, not only allows children to learn....
  • 【Ideal Gift】: Our dart board set are so beautifully packaged that make them as ideal gifts for 5.6.7.8.9.10.11.12-year-old children on birthdays,....
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Baofeng UV-5R Two Way Radio Dual Band 144-148/420-450Mhz Walkie Talkie 1800mAh Li-ion Battery(Black)

  • Frequency Range: 144-148MHz, 420-450MHz. Please kindly know that UV-5R would not transmit without this frequency range..
  • 128 Channels 50 CTCSS and 104 CDCSS Dual-Band Display, Dual Freq. Display, Dual-Standby, A/B band independent operation, High/Low TX power selectable: Busy channel lock-out(BCLO).
  • High/Low TX power selectable: Busy channel lock-out(BCLO),128 Channels 50 CTCSS and 104 CDCSS Dual-Band Display, Dual Freq. Display, Dual-Standby, A/B band independent operation, Keypad Lock. Voice companding: 50 CTCSS/ 104 DCS coder & tone searching, Tri-color background light selectable: 0-9 grades VOX selectable. Large LCD Display, Emergency Alert: 12.5KHz Switchable, LED Flashlight: High/Low RF Power Switchable, Support manually program. Easy to program via PC. Support CHIRP quick programming.
  • Tri-color background light selectable: 0-9 grades VOX selectable. Large LCD Display.
  • Emergency Alert: 25KHz/12. 5KHz Switchable, LED Flashlight: Hight /Low RF Power Switchable.
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Baofeng UV-5R Dual Band Two Way Radio with 3800mAh Li-ion Battery, Walkie Talkie,Upgrade Version(144-148/420-450Mhz)

  • PLEASE PAY ATTENTION to that the item is the latest version of the UV-5R radio, whose frequency is 144-148/420-450Mhz. You have to set the frequency among 144-148Mhz/420-450Mhz,or the radio will not transmit.
  • 128 Channels 50 ctcss and 104 CDCSS dual-band display, Dual Freq. Display, dual-standby, a/B band independent operation | High/low TX power selectable: busy Channel lock-out(bclo)..
  • 【FCC Certificate】UV-5R As a Amateur Radios(Equipment Class: Scanning Receiver), has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. FFC ID: 2AJGM-UV5R..
  • Tri-color background light selectable. The FCC ID of UV-5R is 2AJGM-UV5R.
  • LED flashlight: hight/low RF power switchable.Keypad Lock: channel step: 2.5/5/6.25/10/12.5Khz | voice Companding: 50 ctcss/ 104DCS coder & tone searching..
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DRSPORTS Surf Decor Wall Rack Surfboard Snowboard Ski Board Wall Mount, Indoor Universal Storage Display Rack for Surf Board, Snowboard, Ski Board

  • Slim and simple designed wall mount rack is perfect to store and display your surfboard, snowboard or even a picture fram in any room in your house..
  • Made with hight quality steel with rust restrict layer. Padding inside to protect your board from scratch..
  • A essential accessory for your surfboard to the wall for display or storage. Rack fits all sizes of surfboard and snowboard ski board..
  • Easy to install wall mount rack. It's flexible to adjust the height and width to meet your needs..
  • Always put your safety first. Install the rack on the stub of the wall without excess the max load weight of it. Suggest to use a level to make sure the board won't slid to one side..
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DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board 50W+50W+100W (Bluetooth Amp),Bluetooth Amp

  • tpa3116 amplifier 100W Subwoofer Amplifier Board.
  • Frequency response range: input: 20 hz - 20 KHZ, output: 20 hz - 180 hz.
  • tpa3116 2x50w amplifier board Operating voltage range: DC 12-24V(maximum voltage is no more than 24V).
  • This is a pre-amplifier, bass frequency processing, with bass volume potentiometer control of the bass amplifier board..
  • bluetooth amplifer board DC 12-24V power supply, wide operating voltage, power-saving design, more than 90% power efficiency. Maximum support 100W (Bass) bass channel output.
  • Speaker impedance: bass speaker impedance: 2-8 ohm.
  • You can use a good switching power supply adapter, laptop switching power supply, Here is our 24V power diy amplifier.
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CW QRP Shortwave Radio Kit - CW Transceiver Shortwave Radio Kit

  • The patch device of the main control board has been pre welded and connected to the base plate in the form of stamp hole. The single chip microcomputer adopts pic16f1938, builtin PLL local oscillator, supports crystal oscillator calibration setting, and has its own frequency indication circuit (Seven Segment LED nixie tube is used, the display unit is 1kHz, the photo has color difference, and the actual color is red. The working frequency covers 7.000-7.100mhz, 1kHz or 100Hz steps )..
  • Ta2003 mixer is used for reception, and crystal filter is used for if. After ta2003 multiplication detection, the sound size is adjusted by digital potentiometer and sent to audio active filter circuit. Finally, LM386 drives speaker, and if frequency supports calibration setting..
  • Use 3 bs170 parallel outputs, class E amplification, 12V power supply, output power 5W! Relay switching is used for transceiver, with the function of transmitting delay adjustment to avoid frequent relay switching and improve the isolation of transceiver channel..
  • It has the function of automatically sending call signs, which is very convenient to use. The MCU uses the original code of our store, which can adjust the code speed, sidetone frequency and sidetone size. It can input the call sign by ....
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Seeed Studio LoRa-E5 Development Kit - Based on LoRa-E5 STM32WLE5JC, LoRaWAN Protocol and Worldwide Frequency Supported.

  • ✨【Long-distance Transmission Range to 10km】LoRa-E5 Mini Dev Board features an ultra-long transmitting range of LoRa-E5 up to 10km in an open area, extremely low chip power consumption, and user-friendly interfaces. Note: Ideal value in open area..
  • ✨【Global LoRaWAN and LoRa Frequency Plan Supported】LoRa-E5 Mini Dev Board embedded with LoRa-E5 STM32WLE5JC Module, which is the world-first combo of LoRa RF and MCU chip into one single tiny chip and is FCC and CE certified. It is powered by ARM Cortex-M4 core and Semtech SX126X LoRa chip, supports both LoRaWAN and LoRa protocol on the worldwide frequency..
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