| TSCM office monitoring system ST052 |
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The Multi-Zonal Remote Radiomonitoring TSCM System ST 052 is designed to detect the sources of electromagnetic radiation from devices intended for the unauthorized obtaining of information (eavesdropping devices), such as:
- radio surveilance microphones;
- telephone radio transmitters;
- radio-stethoscopes;
- hidden video cameras equipped with a radio channel for transmitting information;
- unauthorized radio stations, wireless phones, and phones with wireless extensions;
- unauthorized use of GSM and DECT cellular phones
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The ST 052 comprises remote modules (hereafter, “M”) that are placed in locations where the use of unauthorized radio transmission devices is suspected.A single M covers a local zone and monitors the electromagnetic situation within in. The receiver of M consists of two blocks: a high-speed scanning receiver with a frequency range of 70–1,200 MHz and a wideband field detector with a frequency range of 900–6,000 MHz. Via a radio channel, data from M is transmitted to a base transceiver station connected to a PC.
- The range of stable radio exchange of the ST 052 is up to 100*** meters in buildings and up to 1,000 meters in open areas.
- The maximum number of simultaneously operating Ms is 32. Generally, this number is determined by the ability of the monitor to display the necessary information and scanning intervals of M (see Timing of data transmission between M and the base station).
- The specialized software allows for controlling the system and displays information from M on a computer monitor.
- The following information can be displayed: alarm signal, signal level, data transfer protocols (GSM, DECT, Bluethooth, WLAN), and spectrogram (with a frequency range of 70–1,200 MHz).
- In addition, the system logs the events to a log file.
- Advanced settings allow for finer customized setup of the system to suit the requirements of the particular location.
| Technical characteristics: |
| Characteristics of remote module: |
| Frequency range of the scanning receiver |
70–1,200 MHz |
| Field detector |
900–6,000 MHz |
| Sensitivity at the input |
| 70–1,200 MHz |
<0.1 mV |
| 900–6,000 MHz |
<3 mV |
| Power supply |
3.6 V (Li-Ion rechargeable battery) 220 V (power adapter) |
| Current consumption |
| -standby mode |
0.1 mA |
| -operation |
30 mA |
| Dimensions |
85 x 53 x 21 mm (3.3 x 2 x 0.8 inches) |
| Characteristics of base station: |
| Dimensions |
120 x 80 x 32 mm (4.7 x 3.1 x 1.3 inches) |
| Radiomodem |
| Frequency |
433/868/915 MHz |
| Maximum output power |
12 dBm |
| Data transfer speed |
19.6 bps |
| Receiver sensitivity |
–113 dBm |
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