Frequency Detector(291)
Uses item details. Price when purchased online
SMART SENSOR ST1393 EMF Meter Electromagnetic Field EMF Detector Handheld Digital LCD Electromagnetic Field Radiation Tester $20.99 Was $23.99
Sponsored
Now$2099
current price Now $20.99, Was $23.99$23.99
SMART SENSOR ST1393 EMF Meter Electromagnetic Field EMF Detector Handheld Digital LCD Electromagnetic Field Radiation Tester
Mixfeer 3in1 Multifunctional Electric Field Magnetic Field Radiation Detector Handheld Electromagnetic Radiation Tester EMF Meter Portable Radio Frequency Detect Meter $26.99
Sponsored
$2699
current price $26.99Mixfeer 3in1 Multifunctional Electric Field Magnetic Field Radiation Detector Handheld Electromagnetic Radiation Tester EMF Meter Portable Radio Frequency Detect Meter
Best seller Onemayship 5 LED EMF Meter Magnetic Field Ghost Hunting Paranormal Equipment Tester Portable Counter $11.82
Sponsored
$1182
current price $11.82Onemayship 5 LED EMF Meter Magnetic Field Ghost Hunting Paranormal Equipment Tester Portable Counter
1254.5 out of 5 Stars. 125 reviews
Riousery AD8362 RF Signal Power Meter Logarithmic Frequency Detector -75dBm to 16dBm 50Hz to 3.8GHz Module $20.67
$2067
current price $20.67Riousery AD8362 RF Signal Power Meter Logarithmic Frequency Detector -75dBm to 16dBm 50Hz to 3.8GHz Module
YAHHU Electromagnetic Field Radiation Detector 3 in 1 Magnetic Electric Field Radio Frequency Tester for Home Outdoor Use Accurately Measure EMF Levels (7.09 inches / 18 cm)
YAHHU Electromagnetic Field Radiation Detector 3 in 1 Magnetic Electric Field Radio Frequency Tester for Home Outdoor Use Accurately Measure EMF Levels (7.09 inches / 18 cm)
Mixfeer 3in1 Multifunctional Electric Field Magnetic Field Radiation Detector Handheld Electromagnetic Radiation Tester EMF Meter Portable Radio Frequency Detect Meter $26.99
$2699
current price $26.99Mixfeer 3in1 Multifunctional Electric Field Magnetic Field Radiation Detector Handheld Electromagnetic Radiation Tester EMF Meter Portable Radio Frequency Detect Meter
EMF Meter, 3-in-1 Portable Electromagnetic Field Radiation Detector Handheld EMF Tester for EF, RF, MF, WiFi Signal, Radio Frequency Detector Suitable for Home Office EMF Inspections Ghost Hunting $25.47
$2547
current price $25.47EMF Meter, 3-in-1 Portable Electromagnetic Field Radiation Detector Handheld EMF Tester for EF, RF, MF, WiFi Signal, Radio Frequency Detector Suitable for Home Office EMF Inspections Ghost Hunting
Frequency Counter Meter Tester Gray Mini Handheld Gy560 $23.48
$2348
current price $23.48Frequency Counter Meter Tester Gray Mini Handheld Gy560
TAPDRA Precision Frequency Counter High Reliability & Durability for RF Testing & Analysis $17.87
$1787
current price $17.87TAPDRA Precision Frequency Counter High Reliability & Durability for RF Testing & Analysis
Riousery GY560 50Mhz to 2.4Ghz Portable Frequency Counter Two Way Radio Frequency Measuring Tool for Car Boat[cite: 1] $23.83
![Riousery GY560 50Mhz to 2.4Ghz Portable Frequency Counter Two Way Radio Frequency Measuring Tool for Car Boat[cite: 1]](https://i5.walmartimages.com/seo/Riousery-GY560-50Mhz-to-2-4Ghz-Portable-Frequency-Counter-Two-Way-Radio-Frequency-Measuring-Tool-for-Car-Boat-cite-1_0c3a8f82-5540-42c1-aae0-210c13b7645a.fe3d7f5db09420907940d0aec4c13a94.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$2383
current price $23.83Riousery GY560 50Mhz to 2.4Ghz Portable Frequency Counter Two Way Radio Frequency Measuring Tool for Car Boat[cite: 1]
3-in-1 EMF Meter, Portable Electromagnetic Field Radiation Detector for Home & Outdoor, RF/EF/MF Tester with LCD Display & Sound Alarm, Ghost Hunting Equipment $30.99
$3099
current price $30.993-in-1 EMF Meter, Portable Electromagnetic Field Radiation Detector for Home & Outdoor, RF/EF/MF Tester with LCD Display & Sound Alarm, Ghost Hunting Equipment
15 out of 5 Stars. 1 reviews
Oasiva Radio Frequency Detector Portable Radiation Monitor Electromagnetic Radiation Detector Handheld Meter with Alarm $34.32
$3432
current price $34.32Oasiva Radio Frequency Detector Portable Radiation Monitor Electromagnetic Radiation Detector Handheld Meter with Alarm
Mioren Frequency Detector Handheld Radioactive Detector RF EF MF Meter WiFi 5G Visual Audible Alarm Electric Field Meter for Home Laboratory $34.02
$3402
current price $34.02Mioren Frequency Detector Handheld Radioactive Detector RF EF MF Meter WiFi 5G Visual Audible Alarm Electric Field Meter for Home Laboratory
Upgraded Hidden Camera Detector - AI-Powered Anti-Spy Device, GPS Tracker & Bug Detector, Portable RF Signal Scanner for Hotels, Travel, Home & Office $39.99
$3999
current price $39.99Upgraded Hidden Camera Detector - AI-Powered Anti-Spy Device, GPS Tracker & Bug Detector, Portable RF Signal Scanner for Hotels, Travel, Home & Office
Reduced price Anself EMF Meter,3-in-1 Digital Electromagnetic Field Radiation Detector for EF RF MF,5G Cell Tower, WiFi Signal Detector, for Home&Office EMF Inspections $142.55 Was $158.39
Now$14255
current price Now $142.55, Was $158.39$158.39
Anself EMF Meter,3-in-1 Digital Electromagnetic Field Radiation Detector for EF RF MF,5G Cell Tower, WiFi Signal Detector, for Home&Office EMF Inspections
15 out of 5 Stars. 1 reviews
Reduced price FNIRSI 4-in-1 EMF Detector ERD-10 Rechargeable with Alarms, Curve Mode, for EF/MF/RF, Temperature $39.59 Was $43.99
Now$3959
current price Now $39.59, Was $43.99$43.99
FNIRSI 4-in-1 EMF Detector ERD-10 Rechargeable with Alarms, Curve Mode, for EF/MF/RF, Temperature
Radiation detector, 01 detector, 5-in-1 electromagnetic field and radio frequency detector for home and office use, ghost hunting equipment $83.98
$8398
current price $83.98Radiation detector, 01 detector, 5-in-1 electromagnetic field and radio frequency detector for home and office use, ghost hunting equipment
Best seller Onemayship 5 LED EMF Meter Magnetic Field Ghost Hunting Paranormal Equipment Tester Portable Counter $11.82
$1182
current price $11.82Onemayship 5 LED EMF Meter Magnetic Field Ghost Hunting Paranormal Equipment Tester Portable Counter
1254.5 out of 5 Stars. 125 reviews
1pc High Accuracy Frequency Counter RF 1~500MHz LCD Display Frequency Counter Meter Tester Measurement Module For Ham Radio $19.72
$1972
current price $19.721pc High Accuracy Frequency Counter RF 1~500MHz LCD Display Frequency Counter Meter Tester Measurement Module For Ham Radio
YIEMEEN Professional Radio Frequency Measurement Tool With 0.91Inch Display 200Hz To 100MHz Ranging $30.39
$3039
current price $30.39YIEMEEN Professional Radio Frequency Measurement Tool With 0.91Inch Display 200Hz To 100MHz Ranging
Radio Frequency Detector Portable Radiation Monitor Electromagnetic Radiation Detector Handheld Meter with Alarm $27.41
$2741
current price $27.41Radio Frequency Detector Portable Radiation Monitor Electromagnetic Radiation Detector Handheld Meter with Alarm
M Buder Electromagnetic Radiation Detector 3V EMF Meter with LCD Backlight Display Sound Light Alarm Handheld Tester for Home Office Use $20.24
$2024
current price $20.24M Buder Electromagnetic Radiation Detector 3V EMF Meter with LCD Backlight Display Sound Light Alarm Handheld Tester for Home Office Use
POROMETISTO 3-in-1 EMF Meter, 5G RF/EF/MF Radiation Detector with Backlit LCD, Sound & Light Alarm, Ghost Hunting Paranormal Detector for Home and Office $46.99
$4699
current price $46.99POROMETISTO 3-in-1 EMF Meter, 5G RF/EF/MF Radiation Detector with Backlit LCD, Sound & Light Alarm, Ghost Hunting Paranormal Detector for Home and Office
35 out of 5 Stars. 3 reviews
NFTIGB BYS459-1500 DIY Hertz Tester 1-500MHz Frequency Counter Meter Testing Module with LCD Display for Accurate Measurements Portable Dark Green (2.36 inches / 60 mm) $20.46
$2046
current price $20.46NFTIGB BYS459-1500 DIY Hertz Tester 1-500MHz Frequency Counter Meter Testing Module with LCD Display for Accurate Measurements Portable Dark Green (2.36 inches / 60 mm)
AC 380V Pointer Type Frequency Meter High Accuracy Square Panel Frequency Detector 4555Hz $11.71 Was $17.02
Now$1171
current price Now $11.71, Was $17.02$17.02
AC 380V Pointer Type Frequency Meter High Accuracy Square Panel Frequency Detector 4555Hz
Frequency Counter + Power Supply Cable, Handheld Frequency Detector Tester Counter for Auto Car Key $17.72
$1772
current price $17.72Frequency Counter + Power Supply Cable, Handheld Frequency Detector Tester Counter for Auto Car Key
YAHHU VT-ER2 Digital EMF Meter High Accuracy Electromagnetic Field Radiation Detector White (6.69 in / 17 cm)
YAHHU VT-ER2 Digital EMF Meter High Accuracy Electromagnetic Field Radiation Detector White (6.69 in / 17 cm)
Yannee Brand New RK560 Frequency Counter Tester 50MHz-2.4GHz CTCSS DCS Radio Meter-Test Meters & Detectors $29.30
$2930
current price $29.30Yannee Brand New RK560 Frequency Counter Tester 50MHz-2.4GHz CTCSS DCS Radio Meter-Test Meters & Detectors
RANMEI Accurate Measurement Of Rf Signal Strength With Radio Frequency Tester Was $17.04
RANMEI Accurate Measurement Of Rf Signal Strength With Radio Frequency Tester
Acahhotxx Frequency Meter, Detector Reader Transmitter Frequency Meter Counter Tester Tool Digital Frequency Meter Counter $15.98
$1598
current price $15.98Acahhotxx Frequency Meter, Detector Reader Transmitter Frequency Meter Counter Tester Tool Digital Frequency Meter Counter
NFTIGB Frequency Measurement Module Display RF Signal Counter Cymometer 1MHz to 1.2GHz PLJ-0802-E Digital Accurate Display
NFTIGB Frequency Measurement Module Display RF Signal Counter Cymometer 1MHz to 1.2GHz PLJ-0802-E Digital Accurate Display
BSIDE Multifunctional Electric Field Magnetic Field Radiation Detector K7 Handheld Electromagnetic Radiation Tester EMF Meter Portable Radio Frequency Detect Meter $35.06
$3506
current price $35.06BSIDE Multifunctional Electric Field Magnetic Field Radiation Detector K7 Handheld Electromagnetic Radiation Tester EMF Meter Portable Radio Frequency Detect Meter
Clearance HT627 EMF Meter - 3-in-1 Portable Electromagnetic Field Radiation Detector for EF, RF, WiFi - Home & Office EMF Inspection Tool with LCD Display Was $105.98
HT627 EMF Meter - 3-in-1 Portable Electromagnetic Field Radiation Detector for EF, RF, WiFi - Home & Office EMF Inspection Tool with LCD Display
EMF Detector, 4in 1 EMF Radiation Meter with Curve Mode, Rechargeable EMF Reader Electromagnetic Field Radio Frequency Detector for Home, Office, Hunting
EMF Detector, 4in 1 EMF Radiation Meter with Curve Mode, Rechargeable EMF Reader Electromagnetic Field Radio Frequency Detector for Home, Office, Hunting
Multifunctional EMF Meter - Electric Field, Magnetic Field, RF Radiation Detector - Handheld Electromagnetic Radiation Tester - Portable 3-in-1 Detect Meter - Radio Frequency Detection
Multifunctional EMF Meter - Electric Field, Magnetic Field, RF Radiation Detector - Handheld Electromagnetic Radiation Tester - Portable 3-in-1 Detect Meter - Radio Frequency Detection
Frequency Counter Indicator Detector Cymometer Remote Control Transmitter Frequency Meter Scanner Wavemeter 250-450MHZ $14.88
$1488
current price $14.88Frequency Counter Indicator Detector Cymometer Remote Control Transmitter Frequency Meter Scanner Wavemeter 250-450MHZ
NFTIGB EMF Meter Radiation Detector Electromagnetic Field Radiation Tester V/m and T/mG Built-in Battery Dual Mode LCD Display $34.27
$3427
current price $34.27NFTIGB EMF Meter Radiation Detector Electromagnetic Field Radiation Tester V/m and T/mG Built-in Battery Dual Mode LCD Display
GQ EMF-390 recommendation: EMF ELF RF meter, 5G Cell Tower Smart meter, Wi-Fi Signal Detection Black $119.80
$11980
current price $119.80GQ EMF-390 recommendation: EMF ELF RF meter, 5G Cell Tower Smart meter, Wi-Fi Signal Detection Black
444.4 out of 5 Stars. 44 reviews
Meter with Temperature Measuring Hunting Detector Radio Frequency Detector Electromagnetic Radiation Detector $27.06
$2706
current price $27.06Meter with Temperature Measuring Hunting Detector Radio Frequency Detector Electromagnetic Radiation Detector
Reliable Frequency Counter Device for Signal Analysis Compact Size, Dark Green PCB + FR4 Material $17.99
$1799
current price $17.99Reliable Frequency Counter Device for Signal Analysis Compact Size, Dark Green PCB + FR4 Material
Sorven Humidity Tester Field VT- 5-in-1 Electromagnetic Radiation Detector Comprehensive Radio Frequency Electric Field Magnetic Field Strength Temperature Humidity Tester with Customizable Settings $31.96
$3196
current price $31.96Sorven Humidity Tester Field VT- 5-in-1 Electromagnetic Radiation Detector Comprehensive Radio Frequency Electric Field Magnetic Field Strength Temperature Humidity Tester with Customizable Settings
0.1MHz-1200MHz RF Signal Frequency Counter Cymometer Meter Tester with LED Display Screen for Radio,Blue Light $18.44
$1844
current price $18.440.1MHz-1200MHz RF Signal Frequency Counter Cymometer Meter Tester with LED Display Screen for Radio,Blue Light
1Pc High Accuracy Rf 1~500Mhz Frequency Counter Meter Tester Lcd Digital Display Frequency Measurement Module For Ham Radio Was $22.45
1Pc High Accuracy Rf 1~500Mhz Frequency Counter Meter Tester Lcd Digital Display Frequency Measurement Module For Ham Radio
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