Best Frequency Counter Communication Receiver

Rockville, 2 RWM1202VH VHF Wireless Dual Handheld Microphone System w/Mic Receiver v2

  • ...me controls, Rugged metal housing , Comfortable ergonomic composite microphone construction, Low power consumption for longer battery life.
  • Specifications of RWM1202VH: System: Operating Range: 100'-200'(indoor), 65'-165'(outdoor), Channel: Two Channel, Frequency Range: 170MHz - 260MHz, Frequency Response: 80MHz-12000MHz, Frequency Width: 32Mhz, Dynamic Range: 110dB, Operating Temp: 14°F – 122°F..
  • Oscillation Mode: Quartz Crystal, Frequency Stability: 0. 005%, Modulation Mode: VHF, Frequency Response: 80Hz – 8 KHz (3 dB), Harmonic Radiation : < 63dBm, S/N: 60dB, RF Output Power: 10mW, Power Voltage: AC110V/ 220V - 50/60Hz, Mic Battery: 9V.
  • Receiver: Sensitivity: (S/N=30dB) >2mV , De-Emphasis: 50µS , Audio Output Impedance: 600O , Audio Output Level. : 0-0. 5V , Power Supply: AC110V /220V 50/60Hz , Current Consumption: =50mA , Audio Out Connector: 1/4" unbalanced , Transmitter: Frequency Stability: 0. 005% , RF Output Power: =30mW , Modulation Mode: VHF , Maximum Deviation Range: 50KHz , Microphone Mode: Fixed , Pre-Emphasis: 50µS , Power Supply: AA/1. 5V×2 , Current Consumption: =35mA....
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Pyle-Pro PDWM2550 19'' Rack Mount Dual VHF Wireless Rechargeable Handheld Microphone System

  • Professional VHF 2 Channel Wireless System - 2 Handheld Microphones Included - Dual Telescoping Receiver Antennas - Dual Volume Controls with Digital Readout - Dual Charging System - 1/4'' Individual line outputs & Mixed 1/4'' Outputs.
  • On/Off Broadcasting Switch - Dynamic Range: 100dB.
  • Signal to Noise Ratio: 105dB - Receiver Power Supply: AC 110/240V - Microphone Power Source: 8. 4 Volt Rechargeable.
  • Receiver Dimensions: 1. 8'' X 18. 9'' X 1. 3'' - Microphone Dimensions: 9. 6'' X . 7" X 0. 5''.
  • Professional VHF 2 Channel Wireless System - 2 Handheld Microphones Included - Dual Telescoping Receiver Antennas.
  • Dual Volume Controls with Digital Readout - Dual Charging System - 1/4" Individual line outputs & Mixed 1/4" Outputs.
  • Frequency Response: 40Hz~18 kHz - Operation Range: 50-180 Meters.
  • Signal to Noise Ratio: 105dB - Receiver Power Supply: AC 110/240V - Microphone Power Source: 8.4 Volt Rechargeable.
  • On/Off Broadcasting Switch - Carrier Frequency: 210-270Mhz - Dynamic Range: 100dB.
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XTUGA J-3 Professional True Diversity UHF Instrument Microphone Wireless Transmission System for Saxophone Transmitter Receiver 492ft Transmission Range,Plug and Play

  • Saxophone-specific UHF wireless microphone transmission system. True diversity wireless receiver and transmitter, dual antenna diversity reception. Stable reception without blind zone, high frequency stability, no delay, high-recovery pickup,Frequency rang:550-580Mhz.
  • With PLL combined technology. 100 channel free choice, infrared frequency function, using secondary frequency conversion circuit design, with sensitivity, multiple squelch control and anti-interference function.
  • Flexible gooseneck for optimum microphone positioning.No more tripping on cables.The microphone transmitter can be directly clipped to the saxophone and the horn.Experience complete freedom of movement while performing.
  • High fidelity and long range, signal stability.operating range up to 150 meters (492Ft).The receiver and transmitter are powered by a large capacity rechargeable lithium battery. Working hours are about 5 hours. Comes with a USB cable for convenient recharging.
  • Equipped with LED display.The LCD display shows you the frequency, microphone volume as well as the battery level. Change the microphone volume from the receiver is easy. The working status is clear at a glance.
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Fancasee BNC Radio Antenna with BNC Male Plug Jack Connector Adapter Telescopic Stainless Steel HF VHF UHF BNC Antenna for Portable Mobile Handheld Radio Scanner Police Scanner Receiver

  • Excellent replacement BNC radio antenna, telescopic BNC antenna, Frequency Range: 25MHz - 1300MHz, HF VHF UHF bnc antenna..
  • This BNC connector antenna compatible with portable mobile handheld digital desktop radio scanner, radio media system, communication receiver, police....
  • Minimum shortened length 6.7 inch. 7-sections telescopic stainless steel bnc radio antenna. This bnc radio antenna....
  • Easy Installation, Plug-n-Play, bnc male plug connector radio antenna, very easy to install and use..
  • More simple and effective, this bnc radio antenna provide a better radio solution..
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Discover It - iProtect 3 Band RF Anti-Spy Counter Surveillance Radio Frequency Bug Detector - Detect Listening Devices, Hidden Cameras, GPS, WiFi, Bluetooth, GSM, 3G, 4G/LTE, 2.4, and 5.8Ghz Signals

  • "THE DISCOVER IT - iPROTECT DD1216 - 3 BAND RF ANTI-SPY COUNTER SURVEILLANCE RADIO FREQUENCY BUG DETECTOR HAS GIVEN ME PIECE OF MIND!" - Did you know that countless families, businessmen & women and corporations have relied upon the Discover It - iProtect 3 Band RF Anti-Spy Counter Surveillance Radio Frequency Bug Detector to ensure their MAXIMUM level of privacy and security? Get ready to experience your greatest level of personal privacy yet!.
  • THREE BANDS OF DETECTION - Did you know that the detection frequency range of the Discover It - iProtect 3 Band RF Anti-Spy Counter Surveillance Detector has been split into 3 parts, each displayed by a separate bargraph: "VHF/UHF 50-700 MHz", "Mobile and wireless 700 MHz – 3 GHz" and "Microwave and wireless 3-12 GHz". Allowing the operator to understand what type of signal is detected, to detect several signals simultaneously and to sustain the ability of detection near sources of interference.
  • HAVE AMAZING PROFESSIONAL 5 STAR RESULTS WITHOUT QUESTIONING THE DETECTION RESULTS - Do you want to have amazing 5 STAR detection results each and every time you scan your home, car, office & conference board room or hotel room? Its never been easier to sweep and detect hidden bugs, hidden cameras or malicious RF sign....
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Signal Generator, DROK DC 3.3-30V Function Generator 5-30mA LCD Display PWM Pulse Frequency Duty Cycle Rectangular Wave Square Wave Signal Generator

  • PARAMETER ---- operating voltage range DC 3.3v~30v.
  • APPLICATION ---- as square wave signal generator for experimental development.
  • as square wave signal generator for motor driver.
  • as pulse generator, control related circuits (PWM dimming, speed regulating)..
  • SERIAL COMMUNICATION ---- support serial communication, TTL level..
  • DATA AUTO STORAGE ---- all parameters will be saved automatically after setting and therefore won't lose when power off..
  • OTHER FEATURES ---- with LCD display to display frequency and duty cycle value.
  • PWM output, can set frequency and duty cycle separately by buttons.
  • frequency value is divided into 4 range and switched automatically, with high precision..
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Compact UHF Wireless Microphone System - Pro Portable 1 Channel Desktop Digital Mic Receiver Set w/ Belt-Pack Transmitter, Receiver, Headset and Lavalier Mics, XLR, For Home, PA - Pyle PDWM1988B,Black

  • UHF BAND: The Pyle Belt-Pack Microphone System features UHF signal audio transmission for an unsurpassed performance w/ high signal over noise ratio for clear, distortion free, crisp vocal and excellent sound reproduction unlike low grade VHF units.
  • SELECTABLE FREQUENCY: This 1 channel portable mic system features selectable frequency design w/ dual antenna extended wireless range for crisp vocal pickup. Enjoy cordless singing to karaoke music and mobility for energetic on stage performance.
  • BATTERY OPERATED BELT-PACK: The transmitter operates on 2 ‘AA’ batteries while the receiver base is USB powered. Additional features include digital LCD display in receiver base w/ compact tabletop design and convenient desktop audio mic control.
  • ADJUSTABLE VOLUME CONTROL: The receiver and mic have power ON/OFF switch and the receiver has AF/RF audio signal indicators and frequency readout. Receiver is equipped w/ ¼” unbalanced audio output jack and XLR (3-pin) balanced audio input connector.
  • COMPLETE SET: Comes w/ receiver base, beltpack transmitter, headset and lavalier microphones, USB cable, 2 AA batteries. Can be used outdoor/indoor like a school classroom, church or at home for personal use. Perfect for PA, conference, performances.
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RockvilIe RWM1203VH Wireless (2) Handheld Microphones 4 Church Sound Systems

  • Ultra signal stability eliminates unwanted distortion, Transmitter automatically links to receiver for ease of use, Use two handheld mics at once, Individual microphone volume controls, Low power consumption for longer battery life, System comes in 4 different frequency options. 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.
  • 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.
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GMRS Radio Handheld GM-55 2pcs 5W Long Range Two Way Radio GMRS Repeater Capable, with NOAA Scanning & Receiving, Display SYNC, for Off Road Overlanding

  • ...ptions include precise frequency range scanning, channels scanning and CTCSS/DCS scanning..
  • [2Pcs 1500mAh Rechargeable Batteries] Support USB Type-C direct charging.
  • Rechargeable 1500 mAh Li-ion battery, up to 36 hours standby time, each one radio comes with 2 pack batteries, one more extra battery supports non-stop communication..
  • [Long Talking Range] - With the high power of 5-Watt and the capability to hit GMRS repeaters, it can go up to 5 Miles. Equipped with an upgraded USB Type-C charging port, users can charge the radio or just the battery more conveniently..
  • [More Practical Features] - Two Display & Standby Options, Crisp and clear reception, FM, SOS alarm, flashlight, squelch, VOX, TOT (time out time), Squelch Tail Elimination, 6 frequency steps selectable, power save mode, 2 power levels(0.5W/5W)..
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Jabra Evolve 75 UC Stereo Wireless Bluetooth Headset / Music Headphones Including Link 370 (U.S. Retail Packaging), Black

  • Outstanding sound for calls and music - World-class speakers and HD voice for crystal-clear calls and music.Compatible phone models:All Bluetooth Enabled Phones, Including Android and iOS Phones..
  • Microphone frequency range 150 hertz - 6.8 kilohertz. Reduce noise and interruptions - Superior ANC and integrated busy light acts as a ‘do not disturb’ sign to enhance productivity.
  • Supported Bluetooth profiles: A2DP (v1.2), hands free (v1.6), Headset (v1.2), AGHFP (v1.6). Bluetooth wireless technology: Bluetooth 4.0. Dual Bluetooth connectivity for calls and music. Flexibility to move up to 100 feet/30 meter away from your connected device.
  • Active noise cancellation uses advanced microphones to monitor and counter ambient noise. Talk-time - Up to 15 hours. Battery time (with ANC activated) - Up to 30 hours. Charging time - Max. 120 minutes.
  • Certified with all major communication platforms. Bluetooth: 4.2.
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