Model number: JYT-CNF880

CDMA800--------------850 - 960MHz 
GSM1800--------------1805 - 1880MHz (DCS) 
GSM1900--------------1920 - 1990MHz (PCS) 
3G-------------------------2110 - 2170MHz 
GPS----------------------1570 - 1580MHz 
WIFI2.4G----------------2400 - 2500MHz 
4G WIMAX--------------2345 - 2400MHz or 2620-2690MHz
4G LTE-------------------725 - 770MHz

This model has the most advantages:
1. Adjustable switch make you easy to control it.
2. Good cooling system with cooling fan inside
3. Work non-stopped
4. Stable capability
5. Could be used in car directly,With car charger (Option)

Total output power: 20W 
Jamming range: 70M, still depends on signal strength at the given area.
Weight: 4KG