Exam Signal Jammers & RF Filters Manufacturer

Professional signaling jammers for exam venues, prisons, and confidential meeting rooms. SRRC certified compliant solutions

Core Products

基于 SDR 架构的信令级精准干扰设备，已取得 SRRC 型号核准证。单通道功率小于 2W，对基站零干扰，适用于考场、监狱、保密会议室等场景。

面向基站、RRU、直放站等通信基础设施的高功率腔体滤波器。具备低插入损耗、高带外抑制、低互调失真（PIM）及 IP66 防护等级。

面向物联网模组、5G 小基站、智能终端及军工设备的微型声表面波滤波器。封装尺寸 3.0×3.0 mm，具备低插入损耗、陡峭带外抑制和优异的温度稳定性。

✓

Approved by Ministry of Industry and Information Technology

🎯

SDR-based, only blocks terminal communication

⚡

Sync error ≤ 5.0μs, blocking rate > 99%