Portable Multi Frequency 21Bands GPS WiFi GSM Bluetooth Mobile Phone Signal Jammer Product Description Feature: Small volume:The hand-held design can be mastered with one hand, slightly larger than the commonly used walkie talkie Portable:21 channel signal jammer can be put into a pocket or satchel, and can be hung or worn on the arm and belt Big power:wireless signal jammer can effectively shield all commonly used mobile phone signals and WiFi signals within a radius of 10-30 meters Stability:exquisite ventilation and heat dissipation design, even if the machine is turned on continuously for 2 hours, the temperature of the shell will not exceed 45 ºC Battery powered:Safe lithium iron phosphate large capacity battery, can be recharged and used repeatedly, and the battery can be quickly removed and replaced Speciality:With band selection switch, Signal Shield can selectively shield mobile phones of different systems Personalized customization:According to different countries, regions or shielding requirements, different Signal Shield System types are customized Application area: 1.It can be applied at meeting rooms, conference rooms, museums, galleries, theaters, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, bus and more 2.For some locations of special purpose such as hospitals, gas stations and more, please do field test first to make sure no interference happened to the normal operation of their equipment and instrument Product Parameters SRD-JN21MXF-E(Europe) 5G + 5GHZ SRD-JN21MXF-A (America) 5G + 5GHz 2 x 758-830MHz: 1.0W 5G, 4G LTE Low (Two Bands) 2 x 850-895MHz: 1.0W CDMA 850 (Two Bands) 2 x 920-965MHz: 1.0W GSM900 (Two Bands) 2 x 1800-2000MHz: 1.0W DCS, PCS (Two Bands) 2 x 1800-1920MHz: 1.0W DCS (Two Bands) 2 x 2100-2170MHz: 1.0W 3G, UMTS (Two Bands) 2 x 2100-2170MHz: 1.0W 3G, UMTS (Two Bands) 2300-2500MHz: 1.0W 4G LTE + WiFi 11.b & g 2400-2500MHz: 1.0W WiFi 11.b & g 2 x 2500-2700MHz:1.0W 4G WiMAX Sprint (Two Bands) 2 x 2570-2690MHz:1.0W 4G LTE High (Two Bands) 2 x 700-800MHz: 1.0W 4G LTE USA i Phone (AT&T & Verizon) (Two Bands) 1450-1620MHz 1.0W 5G+ GPS L1 +Glonass L1 1570-1620 MHz: 1.0W GPS L1 + Glonass L1 164-173MHz :1.0W Lojack 164MHz 173MHz 1.0W 315MHz :1.0W Remote Control 315MHz :1.0W Remote Control 433MHz :1.0W UHF Remote Control 433MHz :1.0W UHF Remote Control 868MHz: 1.0W Remote Control 868MHz: 1.0W Remote Control 5.1-.5.9GHz :1.0W WiFi 11.a 5.1-.5.9GHz :1.0W WiFi 11.a 1170-1280MHz: 1.0W GPS L2 + L5+ Glonass L2 1170-1280MHz: 1.0W GPS L2 + L5+ Glonass L2 5G 3400-3600MHz 1.0W 5G LTE 5G 617-652MHz 1.0W 5G LTE 5G 3600-3800MHz 1.0W 5G LTE 1700-1800MHz : 4G LTE 400-480MHz :1.0W UHF Remote Control 400-480MHz :1.0W UHF Remote Control Total: 21.0 W Total: 21.0 W Power supply: AC100-240V or 12V Car Charger Jamming Range Radius 10-30 meters (-75dBm@Omnidirectional antennas) Working time: 2.5 Hours, Battery:Ni-Mh battery 16000mAH Can Turn on and Charging at the same time, Each Band can Turn ON/OFF, Battery Status LCD Weight 1.6Kg Dimension: 220 x 140x 70mm (Main Unit only, do not include Antennas) Warranty: 1 year 1: 164-173MHz Lojack 2 & 19 : 1800-1920MHz: DCS, GSM1800, PHS, PCS, CDMA1900 3 & 20: 2100-2170MHz: UMTS, 3G, WCDMA, TD-SCDMA, CDMA2000 4 & 21: 2570-2690MHz: 4G High WiMax2, 4G LTE 5: 1450-1620MHz GPS L1 + Glonass L1 +5G LTE 6 & 18: 920-965MHz: GSM900 7: 2400-2500MHz: WiFi/Bluetooth 11.b. g. 8 & 17:758-830MH: 5G, 4G Low LTE , 4G WiMax 9: 1170-1290MHz GPS L2 + L5+ Glonass L2 10: 5.1-5.9GHz: WiFi 5GHz 11.a 11:868MHz: Car Remote or GPS L2+L5 12: 433MHz Car Remote 13 315MHz Car Remote 14: 400-480MHz UHF & Car Remote 15:3400-3800MHz 5G LTE 16:3