JMA is a desktop model professional design high power cell phone jammer (mobile phone blocker). It's featured by good head dissipation. Could works for 24 hours and 7 days. The universal design allows you to blocking worldwide mobile phone frequencies
Features:
Desktop professional design
Very large power, blocking 20 to 50 meters radius (1,200 to 7,800 square meters)
Ideal for personal use in home, office
Could block all of the mobile phone networks
Specifications:
Frequencies for Europe: CDMA800, GSM900, GSM1800 and UMTS2110MHz
Frequencies for America: GSM850, GSM1900 and W-CDMA2110MHz
Coverage: 20 to 50 meters radius
Current: 8A
Power: GSM900/CDMA800 bands 2W, others 1.5W, total 6.5W
Voltage: 220V AC
Impedance: 50 Ohms
Size: 250 x 53 x 355mm (no antenna 250 x 53 x 155mm)
Working temperature: -15 to 60 degrees C (-59 to 140 Fahrenheit)
