Mobile Phone Signal F Light DIY Kit DC 3-12V Radiation Power Electronic DIY Kit Fun

1. Electrical Characteristics 1). Supply voltage: 3 to 12V; 2). Sensing distance: about 1 m; 3). board size: 2.2 cm * 2.8 cm; 4). : GSM mobile phone signal, not available for CDMA mobile; 2. Circuit theory: The main circuit is amplified antenna r signal circuit and circuit. Sensing signal through the antenna 3 to S8050 transistor amplifier to drive the LED, so that light up. When no signal is detected, no calls or no GSM phones, LED circuit is not only detects the signal to light up LED. 3. Aembly consideration: Inductance of production: Inductance 0.25 to 0.5 MM enameled available in pen core above can be around 5-10 laps. After a good round with a blade to se paint inductor 2, so we go soldered to the board.

Package: 1 x Mobile Phone Signal F Light DIY Kit DC 3-12V Radiation Power Electronic DIY Kit Fun

About shping
Shping and Pack All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.