3Pcs GSM Mobile Phone Signal Flash LED Detection Kit Radiation Power Supply DIY Kit NO Need Power ICSK032A

Feature: Moistureproof prevent seepage material, durable. The appearance of new, more suitable for your DIY No need power, flashing light Range of application: Electronic DIY Cell phone radiation detection Specification: Working voltage: without power supply PCB size: 23 x 18 mm Scope of application: mobile GSM mobile phone signal, for PHS, fixed and telecom CDMA mobile phone is no effect Applicable time: call or conversation Method of use: Place the DIY module on the button below, as shown. When there is a call, LED is flashing. Package includes: 3 x DIY kit Matters needing attention: 1. Solering matters needing attention Two bonding pad said a red label in components of the two solder joints, it says on the PCB components are negative. 2. ISS86 diode pin not to cut 3. "The beetles (PCB)" pin need welding 2 section 5 cm antenna 4. Place the location of the best in the cell phone button, the induction of radiation, the strongest effect is best 5. " beetles " only for GSM mobile phone have induction signal, other signals (CDMA ) is of no effect Schematic diagram: