10Pcs 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 DIYNo need power flashing lightRange of application Electronic DIYCell phone radiation detectionSpecification Working voltage without power supplyPCB size 23 x 18 mmScope of application mobile GSM mobile phone signal for PHS fixed and telecom CDMA mobile phone is no effectApplicable time call or conversationMethod of use Place the DIY module on the button below as shown When there is a call LED is flashing Package includes 10 x DIY kitMatters needing attention 1 Solering matters needing attentionTwo 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 cut3 The beetles PCB pin need welding 2 section 5 cm antenna4 Place the location of the best in the cell phone button the induction of radiation the strongest effect is best5 beetlesonly for GSM mobile phone have induction signal other signals CDMA is of no effectSchematic diagram