ES-4II  Mobile Phone Signal Jammer
 
The product with patent number of 02247306.8 is researched and developed by the technicians of our company. Appearing with the disturbance of the mobile phones signal in public social places, it can effectively control the normal use of mobile phones and shielding microwave signal between transmitters and cell phones. Comparing with similar products, our product has the excellence of low price, more stable performance and broader shielding range. Using occasions include examination room, gas stations, churches, courts, libraries, classrooms, conference centers, theaters, hospitals and other places.
 
Function:
1. Restrict the mobile phone signal which effective diameter is 40m-100m when away from the transmitting station 200 meters or more.
2. Only shields mobile phone signals, no influence on other electronic or audio equipments. No harm to human bodies.
3. Easy to install.
4. Saves electric power.
 
Technical parameters:
1. Working frequencies: 860-885MHz, 930-960MHz, and 1.800-1.99GHz.
2. Working frequency bands: CDMA800, GSM900, DCS1800, and PCS1900.
3. Working temperature: -20°C - +55°C.
4. Working humidity: 30% - 95%.
5. Power adapter: input: AC 100 - 240V, output: DC 5V, 3A.
6. Dimensions: 210 (L) x 115 (W) x 47 (H)mm.
7. Weight: 1.17kg