This PJ-121 multi-antenna frequency jammer combines the latest jamming technology and fashion elements, and is one of the best-selling portable jammers. It has 12 frequency bands, which can interfere with electronic communication equipment using GSM, 3G, 4G, WIFI 2.4G/5.8G, GPS L1, RC 315/433/868MHz within the range of 5-20M, and a good cooling system with 3 A cooling fan can even work continuously for 2 hours, very powerful.
Not only that, but it can also be carried in a pocket, hung on the arm or on a belt, and is quite convenient to carry. Its operation is also quite simple. Install the antenna, turn on the power switch, and you can use it. It is very simple. Additionally, side DIP switches allow you to turn each signal band on and off, independently of each other.
If you want to have a signal jammer, prevent being harassed, and protect your privacy and safety, this is a good choice.
-4G LTE: 725-770MHz or 790-826MHz
-4G Wimax: 2345-2400MHz or 2496-2690MHz
-2.4G WiFi: 2400-2500MHz
-5.8G WiFi: 5725-5850MHz
-GPS L1: 1570-1580MHz
-RC 315: 315MHz
-RC 433: 433MHz
-RC 868: 868MHz
Power supply: 50-60Hz, 100-240V AC, DC12V
Total output power: 10W.
Shielding range: maximum 20M (-75dBm, depending on the signal strength of each area)
Size: 171*98*58mm (without antenna)
Warranty: 1 year
1 x Cell Phone Jammer
1 x AC Charger
1 x Power Charger
12 x Antennas
*Note that this unit does not cover the latest 5G signal. If you also want to cover 5G cell phone signal, please refer to model PJ-16 or PJ-24.