Jiangsu Profile
Product List
2161. Customization Low-Profile Wireless Signal Blocker Jammer Module for Conference Room Privacy 
[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 ...
2162. 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 ...
2163. Wholesale Vehicle-Mounted Fpv Signal Jammer Module for R&D Facility Signal Block [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 ...
2164. High Quality Wholesale High-Gain Multi-Band 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 ...
2165. Spot Goods Narrowband Multi-Channel Efficient 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 ...
2166. Hot Sale Rugged Narrowband Omnidirectional Fpv 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 ...
2167. Custom Label Swept Fpv Signal Jammer Module for Laboratory Signal-Free Environment [Aug 20, 2026]
[Aug 20, 2026] Product Description Product Description YJM0420B is a wireless signal shielding module dedicated to 420-450MHz signal. This module has the advantages of high average output power, good in band flatness, small upper and ...
2168. High Accuragy Real-Time Fpv 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 ...
2169. Customize High-Isolation Multi-Channel Uav Drone Signal Jammer Module for Conference Room Privacy [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 ...
2170. High Accuragy Surface-Mountable Weatherproof Multi-Channel Cellular Signal Jammer Module for Drone ... [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 ...
2171. Direct Sales Narrowband Cellular Signal Jammer Module for Safe House Signal Isolation [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 ...
2172. New Design High-Gain Portable WiFi Signal Jammer Module for Cinema Anti-Piracy Jamming [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 ...
2173. The New Omnidirectional Fpv 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 ...
2174. Quality Assurance Swept Drone Counter 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 ...
2175. Spot Goods Multi-Channel Anti Drone 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 ...
