Reviews Radio Frequency Filtering

Headphone Radio,Portable FM Radio Headphones with LCD Display Noise Reduction Ear Muffs,FM Receiver Headphones,Wireless Headset with Radio for Walking,Jogging,Daily Works

  • reduces the noise-limiting sensitivity of earphones, so that the earphone receiving sound quality is clearer, and students can listen to the exams clearly..
  • Clear listening: the DSP software digital processing integrated module is used as the radio core, with high amplifier, local oscillator, mixing and frequency discrimination circuits, digital filtering design, built-in dual 16bit digital-to-analog converters, high-performance selective, Strong anti-interference ability and low audio distortion output characteristics..
  • Ergonomic design: oval-shaped earmuffs are comfortable to wear and can fully cove the ears to effectively isolate external noise. Detachable earmuff design, the earmuff material is made of PU leather material, which is easy to replace..
  • Speaker and LCD display: adopts 40MM large-diameter drive unit, high-magnetic neodymium iron boron magnetic material structure, professional anti-noise, beautiful and clear sound quality, high sensitivity, and the stereophonic design of the product line shows an excellent bass effect.LCD liquid crystal display is clearer and more intuitive than pointer display, which is convenient to quickly adjust to the required channel..
  • Reception FM radio: supports FM (No AM) transistor radio with an auto....
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Retevis RT22 Walkie Talkies Rechargeable Voice Activated Emergency Alarm Outdoor Cruise Ship Walkie Talkies Two Way Radio(4 Pack)

  • ...an access up to 40 CB radio channels and scan to find the one with the best signal with the touch of a button..
  • 4W Power Output – Filter out background noise from traffic or engine with Cobra’s range of CB Radios. With the maximum power allowed by law, 4 Watts of Radio Frequency output power, as well as a heavy-duty microphone for loud, clear sound..
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Ranger RCI-2970N2 DX AM-FM-SSB-CW 10 & 12 Meter Mobile Radio

  • High power: The SR-655HPC uses four FQP13N10 MOSFET transistors that produce 70W PEP. This is not a CB (11 meter radio), it is a 10 meter radio.
  • Brilliant 7-Color LED backlit face plate (choose from 7 colors with the push of a button or let the CPU controller scan through all of the colors on its own).
  • Dimmer control (32-position), advanced clarifier, VFO, PC programmable, variable power control.
  • Digital Echo with dual front-mounted controls.
  • Up-Armored receiver: Stryker's exclusive receiver protection works even under the harshest conditions, such as those at a busy truck stop with many operators running high power radios. Receiver filtering is tighter than most radios on the market for superior adjacent channel rejection.
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Furman M-8Dx Merit Series Power Conditioning, 15 Amp, 9 Outlets with Wall Wart Spacing, Pullout Lights, Digital Voltmeter

  • Digital Voltmeter Displays Incoming Line Voltage.
  • AC Noise Filtering Reduces Radio Frequency (Rfi) & Electromagnetic Interference (Emi).
  • Spike & Surge Protection Ensures Equipment Stays Safe & Power Stays Clean.
  • 8 Rear-Panel Outlets & 1 Front-Panel Outlet.
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Furman M-8Lx Standard Level Power Conditioning, 15 Amp, 9 Outlets with Wall Wart Spacing, Pullout Lights

  • 2 Retractable incandescent Front-Panel Light Fixtures With Dimmer Control For Convenient Rack Illumination.
  • Ac Noise Filtering Reduces Radio Frequency (RFI) & Electromagnetic Interference (EMI).
  • Spike & Surge Protection Ensures Equipment Stays Safe & Power Stays Clean.
  • 8 Rear-Panel Outlets & 1 Front-Panel Outlet.
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Rikon Dust Extractor With Fittings & Wall Mount, 12 Gallon Capacity

  • More Suction: The Cyclone's two-stage separation provides more working CFM than comparable horsepower single-stage units.
  • Ease of Use: Double-paddle manual cleaning system quickly cleans the pleated filter.
  • Efficient Filtering: Fine dust particles are filtered through pleated material that captures particles down to 1 micron.
  • Quick Emptying: Heavy debris is captured in a 30-gallon drum with quick release levers and independent casters.
  • Convenient Controls: Included radio frequency remote control works from up to 50 feet away.
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JET JCDC-3 Cyclone Dust Collector, 1-Micron Filter, 1240 CFM, 3HP, 1Ph 230V (717530K)

  • CONSTANT SUCTION: Heavy debris is pulled down to collection drum before debris stream reaches the filter..
  • QUICK-RELEASE COLLECTION DRUM: Heavy debris is captured in a 66-gallon drum..
  • REMOTE CONTROL: Included radio frequency remote control works from up to 50 feet away..
  • DOUBLE-PADDLE MANUAL CLEANING SYSTEM: Quickly cleans the pleated filter..
  • EFFICIENT FILTERING: Captures 99% of 2-micron particles, and 86% of 1-micron particles..
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Tecsun Radio PL-380 DSP Fm Am Stereo World Band Receiver,Small Size Radio

  • It receives FM stereo, AM, long wave, short wave (2.3 - 21.95MHz) radio program, practical multi-function, easy to operate..
  • FM receiver wide frequency range (64 - 108MHz), containing part of the campus radio and 2 - 5 channel TV Sound programs.
  • 7 kinds of method of selection sets: easy tuning (ETM), manually search for radio frequency (VF), manually search for the stored stations (VM), direct inputNumber or frequency of the radio address directly into pre-existing numbers, visit the radio frequency automatic search, automatic search browse stored station.
  • It can be manual, semi-automatic, fully automatic (ATS) store up to 550 radio frequencies: FM / MW / LW station 100 each can be saved, short-wave can be saved..
  • Multi-function display: can display the radio frequency, signal strength / noise ratio, temperature, battery power, and more..
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JET JCDC-2 Cyclone Dust Collector 2-Micron Filter 938 CFM 2 HP 1Ph 230V 717520

  • More Suction: The Cyclone's two-stage separation provides more working CFM than comparable horsepower single-stage units.
  • Ease of Use: Double-paddle manual cleaning system quickly cleans the pleated filter.
  • Efficient Filtering: Fine dust particles are filtered through pleated material that captures particles down to 1 micron.
  • Quick Emptying: Heavy debris is captured in a 30-gallon drum with quick release levers and independent casters.
  • Convenient Controls: Included radio frequency remote control works from up to 50 feet away.
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Midland-EX37VP, E+Ready Emergency Two-Way Radio Kit-Pair of T31VP FRS Two-Way Radios, 9 LED Flashlight, Whistle With Compass and Temperature Gauge, In SoftShell Carrying Case (Pair Pack)

  • ...an access up to 40 CB radio channels and scan to find the one with the best signal with the touch of a button..
  • 4W Power Output – Filter out background noise from traffic or engine with Cobra’s range of CB Radios. With the maximum power allowed by law, 4 Watts of Radio Frequency output power, as well as a heavy-duty microphone for loud, clear sound..
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JET JCDC-1.5 Cyclone Dust Collector 2-Micron Filter 763 CFM 1-1/2HP 1Ph 115V 717515

  • Constant Suction: Heavy debris is pulled down to the collection drum before debris stream reaches the filter.
  • Increased System Efficiency: Direct-mounted filter allows unrestricted airflow.
  • Efficient Filtering: Pleated filter captures 99% of two-micron particles and 86% of one-micron particles.
  • Quick Emptying: Heavy debris is captured in a 20-gallon steel drum featuring quick release levers and independent casters.
  • Convenient Controls: Radio frequency remote control turns on the system from up to 50 feet away.
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Tecsun PL-310 fm/am Stereo World Band Dsp Receiver

  • There are 6 sets mode selection:manual search radio frequency, direct input frequency numbers, manually search for the stored radio stations or directly onto a pre-existing address numbers, visit the radio frequency automatic search, automatic search browse stored station..
  • Multi-function display:can display the radio frequency, signal strength / noise ratio, temperature, battery power and so on..
  • AM IF bandwidth can be set to (1 ~ 6kHz)..
  • use of high-quality paper cone speakers, sound quality soft Naiting..
  • Health as Germany comes with a special high-quality DSP radios E402 headphones, you can enjoy to enjoy the highest quality FM stereo radio.
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Amon Tech Heavy Duty Car Radio 2 Way AM/FM Radio with MP3 Player forExcavator Tractor Truck Kart Grab Crane Boat Yacht Loader Grader Earth Moving Machine

  • Advanced Durable Machine: Heavy duty radio material provide a strong and durable radio, also it is a standard din size with small body, very fashion outlook.
  • Worldwide Frequency: Just need to press some buttons to choose different countries' frequency for shipment(fixed frequency). User can select Europe FM frequency or USA FM frequency through software, frequency also can be fixed.
  • Universal Compatible: Excavator radio suitable for excavator, tractor, truck, kart, loader, grader, earth moving machine, convenient and easy to carry, your best partner on your vehicle.
  • Waterproof and dust-proof front panel : Waterproof test : JIS DO203RI standard, dust-proof test : JIS DO207FI standard, our product is in high standard quality, guarantee you it’s the best and professional radio.
  • Dielectric Strength Test: Anti-seismic grade 13 in Japan JISD 1601 grades. AM/FM Radio is very stable installed onto your vehicle. 12V/24V automatically interchangeable by radio.
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