The SIS GmbH website presents a range of RF security and tracking hardware products, including vehicle-mounted, portable, and desktop jamming systems; the Wideband antenna V5; Mini audio jammer; HighTAG tracking modules; LTE Analyzer; and Signal Activity Monitor. Its focus is not on conventional firewalls, EDR, or cloud security, but on specialized hardware solutions for radio communications, mobile networks, eavesdropping detection, vehicle protection, and location tracking.
In terms of protection categories, the materials focus on RF jamming, RF shielding, audio suppression, signal activity monitoring, and GSM/GPS/RFID/NB-IoT tracking. The vehicle-mounted jamming system emphasizes integrated modular output stages, power supply, mechanical structure, and cooling, with optional liquid cooling. Portable products can be deployed in rugged wheeled cases or backpack form factors, while the desktop model uses a compact chassis. The Wideband antenna V5 supports horizontal and vertical RF transmission and is described as installable on the front and rear bumpers of vehicles as well as underneath the vehicle body.
For management, the jamming systems support software-based signal generation, DSP modulation, 15 frequency-band/output configurations, sweep speed, carrier stepping, power, and modulation parameter settings. The HighTAG ecosystem provides PC/mobile software, an SDK, and an online portal, while the LTE Analyzer can send mobile network field strength and GPS coordinates via SMS.
The public materials only explicitly state that the HighTAGβ’ Mini Transmitter EMV is βapproval-free according to EMC guidelines and CE-marked.β Other products do not disclose details on certifications, export controls, spectrum licensing, or industry compliance. Pricing, payment methods, authorization procedures, and maintenance SLA information are not publicly available.
Integration capabilities are mainly reflected in support for various antennas, the V5 vehicle antenna, customization for vehicle cooling circuits, micro USB programming, an SDK, and an online portal. However, there is no visible information about integration with enterprise security platforms such as SIEM, SOAR, or IAM.
Strengths include a product line that covers multiple specialized wireless security scenarios, with engineering focused on vehicle-mounted, portable, and customizable deployments, plus relatively strong parameter configurability. Weaknesses include limited transparency, with no pricing, case studies, test reports, or after-sales support details available. In addition, jamming equipment is usually subject to strict legal regulation and cannot be deployed casually by ordinary enterprises.
It is better suited to legally authorized military and police organizations, defense users, critical facility security teams, confidential meeting protection scenarios, and professional tracking applications.
The materials do not provide information on access from mainland China, payment, local agents, or compliant sales arrangements, so china_access can only be assessed as unknown. For evaluation in a China-related context, radio management regulations, import/use permits, and local service capabilities should be verified first.
If the requirement is general cybersecurity, compliant alternatives such as firewalls, intrusion detection, endpoint security, zero trust, or wireless intrusion detection should be considered instead.
β This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on sis.ag official site.
sis.ag is an Germany Cybersecurity provider. TG4G tracks its product information, an overall rating of 5.0/10, and a China-accessibility score of Limited (proxy recommended). Click "Visit Official Site" to reach sis.ag directly.