Anti-recording device GSM CDMA WIFI Shield

{"cid":"242586","pid":"33683017","pimg_url":"\/\/img1.b2bforus.com\/56\/c2\/dad8e1b7aa3b\/product\/129623615_s-w400xh400.jpg","name":"High Power 40meter 10channels GPS GSM CDMA LTE 4G 5G Classroom Use Signal Device 374*279*63 mm","attrs":{"Price":"Negotiable","MOQ":"1.0 piece","Delivery Time":"Negotiable"}}

{"cid":"242586","pid":"33683013","pimg_url":"\/\/img1.b2bforus.com\/56\/c2\/dad8e1b7aa3b\/product\/129623588_s-w400xh400.jpg","name":"High Power 40meter 10channels GPS GSM CDMA LTE 4G 5G Classroom Use Signal Device 374*279*63 mm","attrs":{"Price":"Negotiable","MOQ":"1.0 piece","Delivery Time":"Negotiable"}}

{"cid":"242586","pid":"33683007","pimg_url":"\/\/img1.b2bforus.com\/56\/c2\/dad8e1b7aa3b\/product\/129623568_s-w400xh400.jpg","name":"Ultrasonic Audio Recording Blocker Anti-Recording Device Enhanced White Noise To Prevent Eavesdropping","attrs":{"Price":"$165.00(1 - 10 pieces) $145.00(>=11 pieces)","MOQ":"1 piece","Delivery Time":"Negotiable","Brand":"\/"}}