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20 Meters Indoor Desktop Signal Jammer 3G 4G 5G For Library Or Examination Room

20 Meters Indoor Desktop Signal Jammer 3G 4G 5G For Library Or Examination Room

Brand Name:	Wolves Team
Model Number:	WT101C-8
MOQ:	1
Price:	USD1.0
Delivery Time:	7-15 Days
Payment Terms:	T/T,Western Union,L/C,D/A,D/P

Detail Information

Product Description

Detail Information

Place of Origin:

Made In China

Certification:

CE/ROHS/FCC/ISO9001

Frequency Range:

20-6000MHz/700-2600MHz

Frequency:

CDMA/GSM/3G /4G/5G /Cellphone/Wifi/Bluetooth

Jammer Type:

Desktop Signal Jammer

Channel Number:

Each Bands Power:

5-10W

Jamming Range:

20-100meters

Packaging Details:

Box

Supply Ability:

1000pcs/month

Highlight:

20 meters indoor signal jammer

desktop signal jammer for library

3G 4G 5G signal jammer

Product Description

20 Meters Indoor Desktop Signal Jammer for Library and Examination Rooms

Professional-grade signal jamming device designed to block 3G, 4G, and 5G mobile signals in educational and institutional environments.

Product Overview

Built-in anti-GPS tracking module blocks GPS, GLONASS and Lojack signals to prevent positioning cheating in classrooms and libraries.

8 independent adjustable RF channels with separate cellular and positioning band switching
Dual high-efficiency cooling fans support stable all-day operation
Smart antenna disconnection alarm with full overload & short-circuit protection
Customizable 5/6/8 bands to fit local campus mobile signal standards
Soft-start circuit eliminates current surges and extends service life

Core Competitive Advantages

High-performance cooling system enables non-stop stable operation for full-day teaching and reading
Intelligent antenna loss alarm with comprehensive circuit safety protection
Blocks all 2G/3G/4G mobile signals with customizable frequencies to match campus network
Optional 5/6/8-band versions for small classrooms and large library reading halls
Built-in soft-start circuit stabilizes power supply and reduces wear from frequent switching

Technical Specifications

Output Interface	Output Frequency
CH1	WIFI 2.4G: 2400-2500MHz
CH2	WIFI 5.8G: 5725-5825MHz
CH3	3G: 2110-2170MHz
CH4	4G LTE1: 725-826MHz
CH5	4G WIMAX1: 2300-2400MHz
CH6	4G WIMAX2: 2570-2690MHz
CH7	5G 3.5G: 3400-3600MHz
CH8	5G 3.7G: 3600-3800MHz

Parameter	Specification
Jamming Range	Up to 100m (dependent on local signal strength)
HS Code	8543709200
Dimensions	2370140510mm
Weight	1.5kg
Type	Desktop Jammer
Total Output Power	40W-80W
Power Supply	5V12A AC: 110-240V; 50/60Hz
Antennas	External Omni-directional antennas

Complete Frequency Band Coverage

Band	Frequency Range
1	4G LTE1: 725-770MHz
2	4G LTE2: 790-826MHz
3	CDMA 800: 850-894MHz
4	GSM 900: 925-960MHz
5	DCS1800: 1805-1880MHz
6	PCS 1900: 1905-1990MHz
7	3G: 2110-2170MHz
8	4G WIMAX1: 2300-2400MHz
9	4G WIMAX2: 2570-2690MHz
10	5G1: 3400-3600MHz
11	5G2: 3600-3800MHz
12	WIFI 2.4G: 2400-2500MHz
13	GPS L1: 1520-1650MHz
14	GPS L2: 1220-1230MHz
15	GPS L3: 1376-1386MHz
16	GPS L4: 1835-1845MHz
17	GPS L5: 1170-1180MHz
18	WIFI 5.2G: 5150-5350MHz
19	WIFI 5.5G: 5300-5600MHz
20	WIFI 5.8G: 5725-5825MHz
21	LOJACK: 167-175MHz
22	VHF: 135-174MHz
23	UHF: 400-470MHz
24	Remote Control: 315MHz
25	Remote Control: 433MHz
26	Remote Control: 868MHz
27	Remote Control: 319.5MHz
28	Remote Control: 345MHz

Product Images

Purchase & Warranty Terms

Term	Details
Delivery Time	3 weeks from confirmed order
Payment Terms	40% advance, 40% after one month, 20% before shipping
Delivery Terms	FOB HONGKONG/USA
Warranty	36 months
Software Updates	Free updates for 36 months
Extended Warranty	5% of total cost per year after 4th year

Important Usage Notes

Jamming Distance Notice: The jamming distances mentioned are for reference only. Actual performance may vary depending on signal strength, location conditions, and battery charge level.

Cooling System Warning: Do not use the jammer while charging. The device lacks a built-in cooling fan and may overheat if operated during charging, potentially causing damage that voids warranty coverage.

Manufacturing & Support

USA R &D Group: Our dedicated research and development team in the USA focuses on continuous product innovation and improvement, ensuring we meet evolving customer needs with cutting-edge jamming technology.

China Manufacturing: With over 10 years of industry experience, we specialize in comprehensive signal jamming solutions including GSM, CDMA, GPS, WiFi, 3G/4G, UHF/VHF, and RF jammers. Our product range includes portable, desktop, prison, vehicular, and bomb jamming systems, supported by unparalleled professional service and technical expertise.

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