Frequency Detector(257)
Uses item details. Price when purchased online
EMF Meter, Electromagnetic Radiation Detector, Digital LCD EMF Detector, EMF Tester for Ghost Hunting, Home, Office, Outdoor, Indicator Lights, Audible Alert $25.99

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$2599
current price $25.99EMF Meter, Electromagnetic Radiation Detector, Digital LCD EMF Detector, EMF Tester for Ghost Hunting, Home, Office, Outdoor, Indicator Lights, Audible Alert
23 out of 5 Stars. 2 reviews
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SMART SENSOR ST1393 EMF Meter Electromagnetic Field EMF Detector Handheld Digital LCD Electromagnetic Field Radiation Tester $23.99

Sponsored
$2399
current price $23.99SMART SENSOR ST1393 EMF Meter Electromagnetic Field EMF Detector Handheld Digital LCD Electromagnetic Field Radiation Tester
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Best seller Onemayship 5 LED EMF Meter Magnetic Field Ghost Hunting Paranormal Equipment Tester Portable Counter $11.82 Was $19.99

Sponsored
Now$1182
current price Now $11.82, Was $19.99$19.99
Onemayship 5 LED EMF Meter Magnetic Field Ghost Hunting Paranormal Equipment Tester Portable Counter
1214.5 out of 5 Stars. 121 reviews
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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 $159.99

$15999
current price $159.99Anself 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
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
Yannee Brand New RK560 Frequency Counter Tester 50MHz-2.4GHz CTCSS DCS Radio Meter-Test Meters & Detectors $26.81

$2681
current price $26.81Yannee Brand New RK560 Frequency Counter Tester 50MHz-2.4GHz CTCSS DCS Radio Meter-Test Meters & Detectors
FOR 1-600MHz Frequency Logarithmic Detector Power Meter for RF Signal Power Detection Frequency Signal Detect $33.13

$3313
current price $33.13FOR 1-600MHz Frequency Logarithmic Detector Power Meter for RF Signal Power Detection Frequency Signal Detect
DC 9-12V 1MHz-1.2GHz RF Frequency Counter Tester Signal Cymometer Meter Digital $49.99

$4999
current price $49.99DC 9-12V 1MHz-1.2GHz RF Frequency Counter Tester Signal Cymometer Meter Digital
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
Frequency Counter Indicator Detector Cymometer Remote Control Transmitter Frequency Meter Scanner Wavemet $13.99

$1399
current price $13.99Frequency Counter Indicator Detector Cymometer Remote Control Transmitter Frequency Meter Scanner Wavemet
Clearance 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 Was $28.47

Now$2547
current price Now $25.47, Was $28.47$28.47
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
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
Handheld Remote Control Wireless Frequency Meter Digital Counter Tester 250-450MHz for Car Auto Garage Door,1 X Frequency Detector 1 Cord(not including power supply),As Shown $16.49

$1649
current price $16.49Handheld Remote Control Wireless Frequency Meter Digital Counter Tester 250-450MHz for Car Auto Garage Door,1 X Frequency Detector 1 Cord(not including power supply),As Shown
EMF Meter, Electromagnetic Radiation Detector, Digital LCD EMF Detector, EMF Tester for Ghost Hunting, Home, Office, Outdoor, Indicator Lights, Audible Alert $25.99

$2599
current price $25.99EMF Meter, Electromagnetic Radiation Detector, Digital LCD EMF Detector, EMF Tester for Ghost Hunting, Home, Office, Outdoor, Indicator Lights, Audible Alert
23 out of 5 Stars. 2 reviews
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tegongse PLJ~8LED Frequency Counter Tester Digital Cymometer Tester 0.1MHz to 2400MHz For Analysis

tegongse PLJ~8LED Frequency Counter Tester Digital Cymometer Tester 0.1MHz to 2400MHz For Analysis
1Mhz-2400Mhz Handheld Frequency Counter Power Meter 0.1W-50W for Two-Way Radio $56.86

$5686
current price $56.861Mhz-2400Mhz Handheld Frequency Counter Power Meter 0.1W-50W for Two-Way Radio
Reduced price POROMETISTO ET01Pro 5-in-1 EMF Detector & RF Meter, Tri-Axis Sensor, 30MHz~8GHz, Rechargeable with Temp/Humidity, for Home/Office/Industrial $34.37 Was $38.30

Now$3437
current price Now $34.37, Was $38.30$38.30
POROMETISTO ET01Pro 5-in-1 EMF Detector & RF Meter, Tri-Axis Sensor, 30MHz~8GHz, Rechargeable with Temp/Humidity, for Home/Office/Industrial
15 out of 5 Stars. 1 reviews
Best seller Onemayship 5 LED EMF Meter Magnetic Field Ghost Hunting Paranormal Equipment Tester Portable Counter $11.82 Was $19.99

Now$1182
current price Now $11.82, Was $19.99$19.99
Onemayship 5 LED EMF Meter Magnetic Field Ghost Hunting Paranormal Equipment Tester Portable Counter
1214.5 out of 5 Stars. 121 reviews
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Professional Radio Frequency Counter Pen Design 100MHz Capacity Crystal Oscillator Tester Type C Powered Measurement Tool $29.27

$2927
current price $29.27Professional Radio Frequency Counter Pen Design 100MHz Capacity Crystal Oscillator Tester Type C Powered Measurement Tool
KJB Security iProtect DD1206 - RF signal detector $539.75

$53975
current price $539.75KJB Security iProtect DD1206 - RF signal detector
1. Handheld 100MHz Frequency Counter with 0.91" Blue Display, Power & Auto-Save Function for Measurement $28.00

$2800
current price $28.001. Handheld 100MHz Frequency Counter with 0.91" Blue Display, Power & Auto-Save Function for Measurement
Clearance LIANXUE PLJ~8LED Frequency Measurement RF Signal Frequency Tester for Electronic Was $21.20

LIANXUE PLJ~8LED Frequency Measurement RF Signal Frequency Tester for Electronic
Adjustable Refreshing Rate Frequency Tester 01s 10Hz Precise Portable Signal Analysis $22.81

$2281
current price $22.81Adjustable Refreshing Rate Frequency Tester 01s 10Hz Precise Portable Signal Analysis
Multifunction Digital Frequency Meter High-precision Frequency Counter 1G Frequency Meter $169.51

$16951
current price $169.51Multifunction Digital Frequency Meter High-precision Frequency Counter 1G Frequency Meter
TFC-2700L Multi-Functional High Precision Frequency Meter 8 LED Display Instrument 10HZ-2.7GHZ High Resolution Frequency Counter ,Tool $167.34

$16734
current price $167.34TFC-2700L Multi-Functional High Precision Frequency Meter 8 LED Display Instrument 10HZ-2.7GHZ High Resolution Frequency Counter ,Tool
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
414.4 out of 5 Stars. 41 reviews
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Precision Frequency Counter with Crystal Test 5-Digit Display, 1Hz-50MHz Counter $15.71

$1571
current price $15.71Precision Frequency Counter with Crystal Test 5-Digit Display, 1Hz-50MHz Counter
PLJ8LEDH RF Signal Frequency Counter Cymometer Tester Module 0.1~1000MHz (Backlight Font Red) $24.49

$2449
current price $24.49PLJ8LEDH RF Signal Frequency Counter Cymometer Tester Module 0.1~1000MHz (Backlight Font Red)
1PC NEW, Intelligent Frequency/Resolution Counter 0.1Hz to 2.4Ghz VC3165 SHIP FROM USA $139.99

$13999
current price $139.991PC NEW, Intelligent Frequency/Resolution Counter 0.1Hz to 2.4Ghz VC3165 SHIP FROM USA
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 $33.99

$3399
current price $33.99POROMETISTO 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
25 out of 5 Stars. 2 reviews
3-in-1 EMF Meter, 5Hz - 3.5GHz, Handheld Rechargeable Electromagnetic Field Radiation Detector, Digital LCD EMF Tester for EF MF RF Home Inspections Outdoor Ghost Hunting Paranormal Equipment $54.74

$5474
current price $54.743-in-1 EMF Meter, 5Hz - 3.5GHz, Handheld Rechargeable Electromagnetic Field Radiation Detector, Digital LCD EMF Tester for EF MF RF Home Inspections Outdoor Ghost Hunting Paranormal Equipment
Handheld Detector Counter Frequency Tester 250-450 MHZ $15.55

$1555
current price $15.55Handheld Detector Counter Frequency Tester 250-450 MHZ
Frequency Meter HC-F1000L Digital High Precision 1Hz-1GHz Power Meter Industrial 8 Digits Digital Frequency Counter $188.78

$18878
current price $188.78Frequency Meter HC-F1000L Digital High Precision 1Hz-1GHz Power Meter Industrial 8 Digits Digital Frequency Counter
DT-1130 Electromagnetic Radiation Detector Field Radiation EMF Detector $24.36

$2436
current price $24.36DT-1130 Electromagnetic Radiation Detector Field Radiation EMF Detector
DT-1130 Electromagnetic Radiation Detector Field Radiation EMF Detector $22.68

$2268
current price $22.68DT-1130 Electromagnetic Radiation Detector Field Radiation EMF Detector
Electromagnetic Radiation Detector 3-in-1 E RF Radiation Measurement Meter

2 options
Available in additional 2 optionsElectromagnetic Radiation Detector 3-in-1 E RF Radiation Measurement Meter
Digital Electromagnetic Radiation Detector Sensor LCD Indicator Data Lock EMF Meter Electric Magnetic Field Frequency Tester ,Portable $48.03

$4803
current price $48.03Digital Electromagnetic Radiation Detector Sensor LCD Indicator Data Lock EMF Meter Electric Magnetic Field Frequency Tester ,Portable
High Precise Radio Frequency Counter with 0.96 Inch Clear Display for Accurate Measurement of Signals from 20MHz to 2.7GHz in Electronics Applications $26.40

$2640
current price $26.40High Precise Radio Frequency Counter with 0.96 Inch Clear Display for Accurate Measurement of Signals from 20MHz to 2.7GHz in Electronics Applications
3-in-1 EMF Meter Radia Frequency Meter Radiation Detector Electromagnetic Field Person Radiation Dosimeter Counter Dose Alarm ,Precise Measurement $40.28

$4028
current price $40.283-in-1 EMF Meter Radia Frequency Meter Radiation Detector Electromagnetic Field Person Radiation Dosimeter Counter Dose Alarm ,Precise Measurement
FG-100 DDS Function Signal Generator Frequency Counter 1Hz - 500Khz Sine Frequency Plastic2008 $18.79 Was $22.08

Now$1879
current price Now $18.79, Was $22.08$22.08
FG-100 DDS Function Signal Generator Frequency Counter 1Hz - 500Khz Sine Frequency Plastic2008
Car Key Remote Control RF Handheld Frequency Counter Tester 250-450MHZ $13.30

$1330
current price $13.30Car Key Remote Control RF Handheld Frequency Counter Tester 250-450MHZ
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