ES-4HH 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 could 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 range of shielding. Using occasions include examination room, gas stations, churches, courts, libraries, classrooms, conference centers, theaters, hospitals and other places.

In the past few years, hundreds of students who cheated in the entrance examination for university all use the mobile phone as the means of cheating. It is a pity the students do this because it does a lot of harms to themselves. In order to avoid this phenomenon, the technicians of our company researched and developed the mobile phone signal jammer special for examination rooms, its characteristics are as

Follows:

1,The product can shield all the signal of micro phone such as CDMA, GSM900, DCS1800,PCS1900, Xiao Ling Tong and so on in the examination rooms effectively.

2,It is designed for examination rooms and it is easily generalized in larger scope because of its low price and convenient usage.

3,It only shields mobile phone signals, but has no influence on other electronic equipments, audio equi- pments and human bodies.

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. Effective diameter: 40m-100m.

4. Environmental temperature: -20°C - +55°C.

5. Relative humidity: 30% - 95%.

6. Power adapter: input: AC 100 - 240V.

7. Dimensions: 210 (L) x 135 (W) x 45 (H) mm.

8. Weight: 0.8kg.