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Professional-grade signal jammers, boosters, and anti-drone systems for military, prisons, offices, and critical infrastructure. Trusted by governments and enterprises worldwide.
Founded in 2016, Shenzhen Greetwin Technology Co., Ltd. is a national high-tech enterprise specializing in the research, design, and production of radio detection and wireless communication coverage systems.
Deeply rooted in radio sensing and spectrum big data analysis technologies, Greetwin is committed to providing reliable low-altitude safety management solutions. For nearly a decade, we have led the industry in drone detection, identification, positioning, tracking, and control.
Our products have secured major global events including the Hangzhou Asian Games, Chengdu Universiade, and World Internet Conference. We hold ISO9001, CE, and RoHS certifications.
High-performance signal jammers, boosters, and anti-drone systems for every environment.
Blocks LTE 700/2300/2600MHz, 3G, 4G signals. Ideal for portable security operations.
High-gain indoor repeater for DCS1800 networks. Stable and low-noise.
Repeater supporting B12, B5, B2, B4 LTE700, GSM850, DCS1800, PCS1900.
Indoor repeater for CDMA 800MHz networks. Perfect for rural homes.
Portable handheld 2KM drone signal detector and jammer. Tactical use.
High-power jammer for bomb disposal and VIP protection. Deployed in Dhaka Police.
360° RF detection for UAVs. Real-time tracking and alerting.
All-in-one handheld unit for drone detection and jamming.
Our systems are deployed in critical environments worldwide.
Prevent illegal communication and drone smuggling.
Secure confidential meetings and data rooms.
Ensure full signal coverage in underground areas.
Protect bases from drone surveillance and IEDs.
We provide comprehensive technical documentation, FAQs, and direct support for all our products.
For product inquiries, technical support, or partnership opportunities.
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