Model DT101:
Cell phone insensitive for regular use that can avoid interference from user's own cell phone.
Model DT201:
For professional who needs to detect cell operation plus all Model 101 functions.
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This is a low cost wide band detector that is capable of detecting RF radiation from 20 MHz to 4.3 GHz that cover all RF bugging devices including tapping and pin-hole camera recording.
It is a small ornament that can be easily attached to your key chain. It is simple to operate. It can provide you a peace of mine when using a public restroom or a hotel room. It can help you to determine if your living quarter is too close to a cell-phone base station or if your kitchen microwave oven meets safety guideline.
It comes in two different models. For those people who do not want to be confused by your own cell phone signals, Model 101 is recommended.
For those people who also want to know if a cell phone is illegally used in a forbidden area, such as cell phone tapping, Model 201 is recommended.
DZDT RF Power Detector for detecting
 Pin-hole cameras
Audio bug device
Over power cell phone base-station
Unsafe microwave oven
Defective electrical transformer
Out of spec TV or computer monitor
Other harmful RF radiation
 Detection frequency range: 20 MHz to >4.5 GHz
Power Supply: 3 VDC (one 2032 coin battery), One fresh Cell can last 5 hours. For regular short period operations,it can be used for one year before battery change.
Dimension: 45 mm x 28 mm x 13 mm
Weight: 10 grams (including battery)
Attachments: one 3V coin battery, one cell-phone ornament string and hook. Notice: Since the user's cell phone or the cell phone nearby transmit strong signal to base station every 20 to 30 seconds, detector 201 can detect this signal and may sound false alarm. For those users who do not need to detect the cell phone operation, it is recommended to use detector 101.
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