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Hybrid Passive & Active Direction finder

Combined passive‑active hybrid cellular geolocation system, leveraging silent wide‑area scanning and targeted active positioning to deliver reliable target‑phone localization for complex tactical field missions.

Passive + Active Hybrid Mode Smart Coordination
Hybrid Passive & Active Direction finder topology diagram showing passive wide‑area scanning, smart trigger to activate active module, multi‑unit cooperative geolocation workflow.

Highlight Features

Dual‑Mode Hybrid Operation Seamless switch between silent passive scanning and targeted active positioning, balancing concealment and positioning speed.
Smart Automatic Trigger Logic Passive module completes coarse‑range target screening, then automatically enables active unit for precise locking to reduce RF exposure.
Full‑Generation Cellular Support Covers 2G/3G/4G/5G multi‑operator networks, adaptable for diverse regional frequency‑band configurations.
Heterogeneous Multi‑Unit Cooperation Vehicle‑mounted, man‑pack passive and active units work together via 433 MHz or IP‑based synchronization links.
Unified Single‑Terminal Control Manage all host devices from one handheld operation terminal with integrated digital‑map visualization and route playback.
High‑Precision Target Locking Combined algorithm fusion improves positioning success rate in complicated urban and obstructed field environments.
High‑Automation Workflow Operators input MSISDN target identifier; system auto‑scans surrounding BTS and adapts optimal working parameters.
Flexible Deployment Combinations Supports mixed deployment: passive‑only teams can collaborate with active hardware without extra dedicated active‑soldier kits.

Technology & Collaboration

Hybrid Passive‑Active Co‑Positioning Mechanism. Passive receivers silently collect cellular signal‑energy and TMSI‑related data for wide‑area coarse target detection without transmitting radio‑frequency signals. Once a target candidate is located, the system intelligently triggers the active module to perform precise locking and geolocation. Multiple vehicle‑borne and man‑pack units exchange real‑time data over 433 MHz radio or IP network, synchronizing target information for joint‑computed position results. All hosts are centrally managed via a unified operation terminal, delivering improved adaptability for complex‑scenario tactical missions.

Specifications

Key Brief Parameters

  • Supported Networks: GSM / WCDMA / LTE‑FDD / LTE‑TDD / 5G‑SA / 5G‑NSA
  • Synchronization Interface: 433 MHz wireless & IP‑network for multi‑node data sync
  • Position Accuracy: < 1 m under multi‑unit cooperative deployment
  • Passive Max Operation Range: Up to 2000 m open‑area (environment‑dependent)
  • Active Module Max Operation Range: Up to 1000 m; Max transmit power 300 W
  • Operating Temperature: −20 °C ~ +65 °C; Storage −30 °C ~ +70 °C