Frequency Detector(292)
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
15 out of 5 Stars. 1 reviews
Save with
EMF Detector Electromagnetic Frequency Detector for Ghost Hunting $54.99
Sponsored
$5499
current price $54.99EMF Detector Electromagnetic Frequency Detector for Ghost Hunting
Digital EMF Meter Electromagnetic Field Radiation Detector RF Electric Magnetic Field Tester LCD Display with Sound Alarm Peak Average Data Hold Backlight for Home Office $20.88
Sponsored
$2088
current price $20.88Digital EMF Meter Electromagnetic Field Radiation Detector RF Electric Magnetic Field Tester LCD Display with Sound Alarm Peak Average Data Hold Backlight for Home Office
Riousery AD8362 RF Signal Power Meter Logarithmic Frequency Detector -75dBm to 16dBm 50Hz to 3.8GHz Module $20.64
$2064
current price $20.64Riousery 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)
Riousery GY560 50Mhz to 2.4Ghz Portable Frequency Counter Two Way Radio Frequency Measuring Tool for Car Boat[cite: 1] $23.85
![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)
$2385
current price $23.85Riousery GY560 50Mhz to 2.4Ghz Portable Frequency Counter Two Way Radio Frequency Measuring Tool for Car Boat[cite: 1]
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
1304.5 out of 5 Stars. 130 reviews
Save with
YAHHU RK-560 Mini Portable Radio Frequency Counter Meter 50MHz-2.4GHz Tester with Antenna for DCS CTCSS Decoding Two-Way Communication Diagnostics Walkie Talkie Measurement Equipment $26.37
$2637
current price $26.37YAHHU RK-560 Mini Portable Radio Frequency Counter Meter 50MHz-2.4GHz Tester with Antenna for DCS CTCSS Decoding Two-Way Communication Diagnostics Walkie Talkie Measurement Equipment
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
EMF Detector Electromagnetic Frequency Detector for Ghost Hunting $54.99
$5499
current price $54.99EMF Detector Electromagnetic Frequency Detector for Ghost Hunting
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
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
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
YAHHU High Accuracy Digital Electromagnetic Field Radiation Detector EMF Meter Tester for Home and Industrial Electrical Appliance Inspections, 5Hz-3500MHz Test Bandwidth, 7.09 inches / 18.00 cm $32.99
$3299
current price $32.99YAHHU High Accuracy Digital Electromagnetic Field Radiation Detector EMF Meter Tester for Home and Industrial Electrical Appliance Inspections, 5Hz-3500MHz Test Bandwidth, 7.09 inches / 18.00 cm
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
M Buder Electromagnetic Radiation Detector 3V EMF Meter with LCD Backlight Display Sound Light Alarm Handheld Tester for Home Office Use $20.17
$2017
current price $20.17M Buder Electromagnetic Radiation Detector 3V EMF Meter with LCD Backlight Display Sound Light Alarm Handheld Tester for Home Office Use
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
GQ EMF-360 Multi-Field EMF Meter, 3-in-1 Ghost Detector, RF Sensor $68.00
$6800
current price $68.00GQ EMF-360 Multi-Field EMF Meter, 3-in-1 Ghost Detector, RF Sensor
25 out of 5 Stars. 2 reviews
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
454.3 out of 5 Stars. 45 reviews
Save with
ERICKHILL EMF Meter, Rechargeable, Digital LCD, Radiation Detector with Buzzer Alarm, Blue $39.99 $62.48/lb
$3999
current price $39.99$62.48/lb
ERICKHILL EMF Meter, Rechargeable, Digital LCD, Radiation Detector with Buzzer Alarm, Blue
35 out of 5 Stars. 3 reviews
STORGENER EMF Detector, Handheld 5 LED EMF Magnetic Field Detector, Electromagnetic Paranormal Equipment Tester for Home, Office (2 Pack) $12.39
$1239
current price $12.39STORGENER EMF Detector, Handheld 5 LED EMF Magnetic Field Detector, Electromagnetic Paranormal Equipment Tester for Home, Office (2 Pack)
Save with
M Buder Mini Electromagnetic Radiation Detector High Sensitive Pen Type EMF Meter Electromagnetic Wave Test Pen Non-Contact Tester Electromagnetic Field Detecting Tool Black $11.15
$1115
current price $11.15M Buder Mini Electromagnetic Radiation Detector High Sensitive Pen Type EMF Meter Electromagnetic Wave Test Pen Non-Contact Tester Electromagnetic Field Detecting Tool Black
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
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
Digital Electromagnetic Radiation Detector LCD Electric Magnetic Field EMF Meter 5Hz-3500MH Frequency Tester Indicator ,Portable $61.23
$6123
current price $61.23Digital Electromagnetic Radiation Detector LCD Electric Magnetic Field EMF Meter 5Hz-3500MH Frequency Tester Indicator ,Portable
Clearance HT627 EMF Meter - 3-in-1 Portable Electromagnetic Field Radiation Detector for EF, RF, WiFi - Home & Office EMF Inspection Tool with LCD Display $47.68 Was $105.98
Now$4768
current price Now $47.68, Was $105.98$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
Radiation Meter with Curve Mode,EMF Reader Electromagnetic Field Radio Frequency Detector ,Accurate Readings $149.12
$14912
current price $149.12Radiation Meter with Curve Mode,EMF Reader Electromagnetic Field Radio Frequency Detector ,Accurate Readings
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
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
ERICKHILL 3 in 1 EMF Detector, Electromagnetic Field Radiation Detector for EF, RF, MF, WiFi,5G Signal,Triple Alarm Modes, Type-C Charging, EMF Meter for Home, Office, and Paranormal Investigation $63.68
$6368
current price $63.68ERICKHILL 3 in 1 EMF Detector, Electromagnetic Field Radiation Detector for EF, RF, MF, WiFi,5G Signal,Triple Alarm Modes, Type-C Charging, EMF Meter for Home, Office, and Paranormal Investigation
3-in-1 EMF Meter Radia Frequency Meter Radiation Detector Electromagnetic Field Person Radiation Dosimeter Counter Dose Alarm ,Portable $54.11
$5411
current price $54.113-in-1 EMF Meter Radia Frequency Meter Radiation Detector Electromagnetic Field Person Radiation Dosimeter Counter Dose Alarm ,Portable
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 $45.99
$4599
current price $45.99POROMETISTO 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
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
44 out of 5 Stars. 4 reviews
Save with
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 $17.39
$1739
current price $17.39Handheld 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
M Buder ST1393 Digital EMF Meter Electromagnetic Field Radiation Detector Handheld Tester Dual Alarm (5.12 in / 130 mm) $26.89
$2689
current price $26.89M Buder ST1393 Digital EMF Meter Electromagnetic Field Radiation Detector Handheld Tester Dual Alarm (5.12 in / 130 mm)
GJX 2026 New Emf Meter Radiation Detector High Frequency,Hand-Held Digital Lcd Emf Detector for Home Emf Inspections,Office,Outdoor and Ghost Hunting $29.53
$2953
current price $29.53GJX 2026 New Emf Meter Radiation Detector High Frequency,Hand-Held Digital Lcd Emf Detector for Home Emf Inspections,Office,Outdoor and Ghost Hunting
Yajisi Handheld Digital Radiation Detector RF EMF Meter Electric Magnetic Field Strength Tester Electromagnetic Dosimeter without Battery White 16 cm / 6.3 in $44.67
$4467
current price $44.67Yajisi Handheld Digital Radiation Detector RF EMF Meter Electric Magnetic Field Strength Tester Electromagnetic Dosimeter without Battery White 16 cm / 6.3 in
RD630 Electromagnetic Field Radiation Detector Tester EMF Meter Multifunctional Handheld Portable Radio Frequency Warn Meter ,Portable
RD630 Electromagnetic Field Radiation Detector Tester EMF Meter Multifunctional Handheld Portable Radio Frequency Warn Meter ,Portable
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
POROMETISTO ET01Pro 5-in-1 EMF Detector & RF Meter, Tri-Axis Sensor, 30MHz~8GHz, Rechargeable with Temp/Humidity, for Home/Office/Industrial $38.99
$3899
current price $38.99POROMETISTO ET01Pro 5-in-1 EMF Detector & RF Meter, Tri-Axis Sensor, 30MHz~8GHz, Rechargeable with Temp/Humidity, for Home/Office/Industrial
25 out of 5 Stars. 2 reviews
Electromagnetic radiation detector Magnetic field radiation tester Radiation high frequency electromagnetic radiation detector $22.50
$2250
current price $22.50Electromagnetic radiation detector Magnetic field radiation tester Radiation high frequency electromagnetic radiation detector
Professional Digital RF Detector $545.99
$54599
current price $545.99Professional Digital RF Detector
Clearance 3-in-1 EMF Meter HT627 for Home and Office - Portable Electromagnetic Field Radiation Detector with RF, EF, and Magnetic Field Measurement $31.87
$3187
current price $31.873-in-1 EMF Meter HT627 for Home and Office - Portable Electromagnetic Field Radiation Detector with RF, EF, and Magnetic Field Measurement
Popular in Frequency Detector
Related Products
Radiation tester,Meter With 5 Field Tester Office Tester Office Meter Field Tester Led Field Meter 5 Led Field Emf Meter With 5 Led Fy8817 Field Meter Field Handheld Qisuo Dsfen Black
Radiation tester,Meter With 5 Field Tester Office Tester Office Meter Field Tester Led Field Meter 5 Led Field Emf Meter With 5 Led Fy8817 Field Meter Field Handheld Qisuo Dsfen Black$15.80current price $15.80GQ EMF-390 recommendation: EMF ELF RF meter, 5G Cell Tower Smart meter, Wi-Fi Signal Detection Black
GQ EMF-390 recommendation: EMF ELF RF meter, 5G Cell Tower Smart meter, Wi-Fi Signal Detection Black$119.80current price $119.80Velleman MK105 Signal Generator Kit, 1kHz Fixed Frequency
Velleman MK105 Signal Generator Kit, 1kHz Fixed Frequency$22.99current price $22.99Radiation tester,Field Tester Meter Field Emf Meter Tester Display Tester 2-inch Emf Tester Lcd Display Field Emf Display Safety Meter Display Andsafety Display Display Tester Lcd Multicolor
Radiation tester,Field Tester Meter Field Emf Meter Tester Display Tester 2-inch Emf Tester Lcd Display Field Emf Display Safety Meter Display Andsafety Display Display Tester Lcd Multicolor$24.73current price $24.73REED Instruments R8050 Dual Range Sound Level Meter
REED Instruments R8050 Dual Range Sound Level Meter$196.98current price $196.98TMWEFUSC Electromagnetic Radiation Detector Professional 3 in 1 Handheld EMF Reader Portable EMF Meter with Sound Light Alarm Digital LCD EMF Tester Temperature Measure Reusable for Home
TMWEFUSC Electromagnetic Radiation Detector Professional 3 in 1 Handheld EMF Reader Portable EMF Meter with Sound Light Alarm Digital LCD EMF Tester Temperature Measure Reusable for Home$15.69current price $15.69Voltage Tester,12v-1000v Portable Ncv Live Wire Portable Ncv Adjustable With / Live Alarm Buzzer Pen 12v-1000v Portable Adjustable Sensitivity With Tester Pen 12v-1000v Wire Point Alarm Green
Voltage Tester,12v-1000v Portable Ncv Live Wire Portable Ncv Adjustable With / Live Alarm Buzzer Pen 12v-1000v Portable Adjustable Sensitivity With Tester Pen 12v-1000v Wire Point Alarm Green$11.71current price $11.71Multimeters,Diy And Test 2in1 Lcd Display Function Diy And Rate Data Function Handheld Oscope Meter Oscope Meter 40mhz 120msps Rate Data Function Diy Hxber Eryue Siuke Multicolor
Multimeters,Diy And Test 2in1 Lcd Display Function Diy And Rate Data Function Handheld Oscope Meter Oscope Meter 40mhz 120msps Rate Data Function Diy Hxber Eryue Siuke Multicolor$78.49current price $78.49Sound Level Meter,Noise Decibel Sound Meter Decibel Tester 30-130db(a) Lcd Sound Meter Eryue 30-130db(a) Rusuo Xibany
Sound Level Meter,Noise Decibel Sound Meter Decibel Tester 30-130db(a) Lcd Sound Meter Eryue 30-130db(a) Rusuo Xibany$15.78current price $15.78Reed Instruments Sound Level Meter, Datalogger with Bargraph, 30 to 130 dB R8080
Reed Instruments Sound Level Meter, Datalogger with Bargraph, 30 to 130 dB R8080$351.81current price $351.81LCR Meter,Handheld 100khz Lcr Meter Lcr Tester Lcr Tester Inductance Lcd Handheld 100khz 2.5-inch Lcd Handheld Lcr Meter Resistance 0.6 Vrms Tester Inductance Resistance Hxber Bsewo Black
LCR Meter,Handheld 100khz Lcr Meter Lcr Tester Lcr Tester Inductance Lcd Handheld 100khz 2.5-inch Lcd Handheld Lcr Meter Resistance 0.6 Vrms Tester Inductance Resistance Hxber Bsewo Black$144.22current price $144.22Triplett SLM400 Decibel Sound Level Meter, 35 to 130dB CA3
Triplett SLM400 Decibel Sound Level Meter, 35 to 130dB CA3$173.96current price $173.96