Jiangsu Profile
Product List
4411. Best-Selling Custom Weatherproof WiFi Signal Jammer Module for Laboratory Signal-Free Environment 
[Apr 29, 2026]
[Apr 29, 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 ...
4412. Custom Label Portable Wireless Signal Blocker Jammer Module for Cinema Anti-Piracy Jamming [Apr 29, 2026]
[Apr 29, 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 ...
4413. Original Weatherproof RF Signal Jammer Module for Classroom Signal Control [Apr 29, 2026]
[Apr 29, 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 ...
4414. New Real-Time Interference-Proof Signal Jammer Module for Classroom Signal Control [Apr 29, 2026]
[Apr 29, 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 ...
4415. Quality Assurance Multi-Channel RF Signal Jammer Module for Oil Rig Restricted Area [Apr 29, 2026]
[Apr 29, 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 ...
4416. Stock Available Vehicle-Mounted Cellular Signal Jammer Module for Data Center RF Isolation [Apr 29, 2026]
[Apr 29, 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 ...
4417. New Design High-Gain Portable WiFi Signal Jammer Module for Cinema Anti-Piracy Jamming [Apr 29, 2026]
[Apr 29, 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 ...
4418. Quality Assurance Broadband Fpv Signal Jammer Module for Government Building Security [Apr 29, 2026]
[Apr 29, 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 ...
4419. Best-Selling Custom Surface-Mountable Narrowband Signal Blocker Jammer Interference Module for ... [Apr 29, 2026]
[Apr 29, 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 ...
4420. Hot Sale Broadband Vehicle-Mounted Anti Drone Signal Jammer Module for Drone Disruption [Apr 29, 2026]
[Apr 29, 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 ...
4421. Original Multi-Channel Cellular Signal Jammer Module for Conference Room Privacy [Apr 29, 2026]
[Apr 29, 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 ...
4422. New Fashion Multi-Channel Vehicle-Mounted Signal Jammer Module for Safe House Signal Isolation [Apr 29, 2026]
[Apr 29, 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 ...
4423. Original Omnidirectional Narrowband Power Amplifier Signal Jammer Module for Classroom Signal ... [Apr 29, 2026]
[Apr 29, 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 ...
4424. The New Omnidirectional Fpv Signal Jammer Module for Classroom Signal Control [Apr 29, 2026]
[Apr 29, 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 ...
4425. New Arrivals Lightweight Adaptive Wireless Signal Blocker Jammer Module for Drone Disruption [Apr 29, 2026]
[Apr 29, 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 ...
