The 8-band high-power mobile phone signal jammer and blocker is an efficient and versatile device capable of effectively blocking various mobile network standards, making it an ideal solution for various environments such as schools, meeting rooms and examination rooms. Here is a detailed presentation of its features and applications:

Multi-frequency coverage

This office signal jammer  is capable of covering several commonly used mobile network frequency bands, including 2G, 3G, 4G and 2.4G Wi-Fi. This comprehensive coverage allows it to effectively block or interfere with the signals of various mobile devices, thus preventing unauthorized use at critical events such as major reviews or meetings.

Efficient cooling system

One of the outstanding features of the mobile signal jammer is its advanced cooling system, which includes an integrated fan. This fan plays an essential role in dissipating heat generated by the jammer, reducing the risk of overheating and extending the life of the office signal jammer. This ensures continuous and stable operation even after prolonged use.

High gain antennas

The  Mobile signal blocker is equipped with omnidirectional high gain fiberglass antennas to better interfere with mobile phone signals. These antennas are designed to maximize the interference radius, allowing the mobile signal blocker to effectively cover a wider area. This makes it particularly useful in environments requiring extensive coverage, such as large classrooms or meeting rooms.

Multipurpose applications

The mobile phone signal jammer is versatile and can be used in a variety of environments:

Schools and exam rooms: To prevent students from using their phones to cheat during exams, the mobile phone jammer can be installed in classrooms and exam rooms to ensure a fair and non-disturbing environment.

Conference Rooms: It can be used to maintain confidentiality and concentration by blocking mobile phone signals during business meetings.

Libraries and theatres: To maintain a quiet environment without distraction, this mobile signal blocker can be used to block the use of mobile phones, etc.

Easy to use

The mobile phone signal blocker is designed to operate continuously in a specific location. Its operation is ensured by a simple connection to the sector. Despite its desktop format, it can be moved from room to room with relative ease.

In summary, the new 8-band portable cell jammer is a powerful and effective tool for blocking mobile phone signal. It offers advanced features such as fans, high gain antennas and intuitive controls. Its versatility and efficiency make it an excellent choice for various environments requiring signal interference. It is also customizable according to the frequency bands of each country.

Channel	Port of exit	Frequency range
1	CDMA/GSM	851-894/925-960 MHz
2	DCS/PCS	1805-1990 MHz
3	3G	2110-2170 MHz
4	4GLTE	700-803/790-862 MHz
5	4GWIMAX	2500-2690/2300-2400MHz
6	2.4G WIFI	2400-2500 MHz
7	VHF	130-174 MHz
8	UHF	400-470 MHz
Total RF power	400 W
Current Total	59A
Antennas	High gain omnidirectional antennas ( 8 parts, with flanges)
Antenna gain	≥ 5 dBi
Power supply	CA : 110 V ~ 240 V DC : 28 V
AC current	5 A
continuous supply voltage	28V
Size	37*31*22cm
Weight	14.90 kg
Operating temperature	-20~+80℃
Storage temperature	-30~+60℃
Operating humidity	5 to 95 %, relative
Surface colour	Grey
Cooling	Thermal dissipator and fan