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Cassandra TM9M

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Purpose:
The Cassandra TM9K system is designed for 24/7 continuous RF monitoring of facilities, detecting unauthorized transmissions—including those using complex concealment algorithms—and analyzing digital communication standards. The system can also function as an IQ recorder with a capture bandwidth of up to 32 MHz.
Functionality:
  • Conducts real-time spectrum monitoring across its operational frequency range
  • Saves spectrum panoramas, individual signal spectra, and key RF parameters of detected signals to a computer
  • Supports signal recording and post-processing
Network Operation:
  • Multi-system integration: Two or more units can form a unified monitoring network with a central control station
  • Centralized management: Operational data from all units is aggregated on the control PC via I_RemoteCheck software, displaying:
  • Signal detections
  • System status (power on/off alerts)
  • Comparative spectrum analysis between units (requires RT-Group option)
(Technical translation optimized for clarity while preserving key terminology like "IQ recorder" and "RF parameters.")
Need adjustments for:
  • Military/NATO terminology?
  • Simplified version for marketing?
  • Additional technical specifications?
Technical specifications

Technical specifications

Frequency Range:
  • Input 1: 25 MHz - 9000 MHz
  • Input 2: 9 kHz - 25 MHz
Tuning Speed:
  • RBW 54 kHz*: >200 GHz/sec
  • RBW 13 kHz*: 120 GHz/sec
  • (Performance depends on host PC capabilities)*
Noise & Dynamic Range:
  • Average noise floor (DANL, no preamp): -158 dBm (1 Hz)
  • 1 dB compression dynamic range (no attenuator): ≥120 dB
Analysis & Recording:
  • Instantaneous analysis bandwidth: 0.256-32 MHz
  • IQ recording bandwidth:
  • 12 MHz (unlimited duration)
  • 32 MHz (≥2 mins via 1 GbE LAN)
  • Frequency resolution: 1 Hz
Demodulation & Standards Support:
  • Supported demodulators: AM, FM, USB, LSB, TETRA, APCO-P25, DMR, dPMR, NXDN, Analog TV (PAL/SECAM/NTSC), DVB-T2, DVB-T
  • Digital standards analysis:
  • TETRA, APCO-P25, DMR, dPMR, NXDN
  • Bluetooth (MAC/LAP address detection)
  • DECT, 802.15.4 (Zigbee), DVB-T/T2
  • 2G (GSM), 3G (UMTS), 4G (LTE) network topology mapping
Operational Features:
  • Operation mode: 24/7
  • Cooling: Active (low-noise fan ≤60 dB)
  • Unique capabilities:
  • High speed with narrow RBW
  • Manual amplitude direction finding (requires directional antennas with e-compass + RT-Geo software option)
  • Dedicated RF inputs for band-specific antennas
Interfaces & Power:
  • PC interface: 1 GbE LAN
  • Power supply: ~220V/50Hz or 9-36V DC
Environmental:
  • Operating temperature: +5°C to +70°C (non-battery version)
  • Storage temperature: -20°C to +70°C (non-battery version)
Physical:
  • Dimensions (main unit): 265 × 240 × 45 mm
  • Weight: 3.4 kg
Minimum PC Requirements:
  • OS: Windows 10/11
  • CPU: 2.2 GHz
  • RAM: ≥8 GB DDR4
  • Display: 15.6-17" widescreen (≥1920×1080)
  • Storage: ≥512 GB HDD/SSD
  • LAN: 1000 Mbps
See also