Jiangsu Profile
Product List
12766. New Arrivals Broadband Directional Signal Jammer Module for Government Building Security 
[Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12767. Best-Selling Custom Low-Profile Fpv Signal Jammer Module for Government Building Security [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12768. New Real-Time Interference-Proof Signal Jammer Module for Classroom Signal Control [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12769. Practical Hot Sale Low-Latency Signal Blocking Jammer Module for Government Building Security [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12770. Selling Real-Time Power Amplifier Signal Jammer Module for Airport No-Communication Zone [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12771. Direct Sales Weatherproof High-Gain Anti Drone Signal Jammer Module for Drone Disruption [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12772. New Arrivals Overheat-Protected Signal Blocker Jammer Module for Government Building Security [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12773. The New Weatherproof Multi-Band Signal Jammer Module for Power Plant Restricted Area [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12774. Professional Manufacturer Directional Multi-Channel Multi-Band Signal Jammer Module for Airport ... [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12775. New Popularity Overheat-Protected Power Amplifier Signal Jammer Module for Laboratory Signal-Free ... [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12776. Custom Label Interference-Proof Signal Blocking Jammer Module for Classroom Signal Control [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12777. Professional Manufacturer High-Power Lightweight WiFi Signal Jammer Module for Laboratory ... [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12778. New Fashion Multi-Channel Vehicle-Mounted Signal Blocker Jammer Module for Laboratory Signal-Free ... [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12779. Best-Selling Custom Surface-Mountable Narrowband Signal Blocker Jammer Interference Module for ... [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
12780. Wholesale Directional Signal Blocker Jammer Interference Module for Exam Hall Cheating Prevention [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM2420B is a wireless signal shielding module dedicated to 2400-2500MHz signal. This module has the advantages of high average output power, good in band flatness, small upper ...
