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.
