GSS Hostage Tracker
The GSS Hostage Tracker system is used by our clients worldwide for surveillance and for rapid recovery of kidnapped victims.

Micro miniature waterproof RF transmitter, size of a small paper clip with battery life from 6 months to up to 2 years. It can be easily concealed and sown into clothing or footwear or mounted into picture frame, necklace or electronic equipment. Because of its special discreet frequency, it can transmit trough concrete walls, buildings and underground garages for up to 20 miles on ground and for much greater distances from the air.

The receiver is light-weight, less than two pounds. Its built in rechargeable high capacity battery can provide 6-8 hours of tracking capability on full charge. It has a digital display and capability to track and monitor 100 different subjects or objects simultaneously.


- Removes most impulses and ignition noise to enhance tracking in difficult conditions.
- Responsive to both strong and weak signals
- The Thumb Wheel Attenuator prevents swamping
- Build in Night light for Enhanced night tracking
- Different users can choose frequencies for individual needs
- Matches signal beep (fix)
- Avoids interference with other signals
- The Deflecting Signal Meter shows signal strength
- Reduces unwanted signals
- Typical Maximum Receiving range: Up to 25 miles of consistent read range on the ground,
   depending on the capability of the transmitter, and even greater distances from the air.

Dimensions: 7" x 4" x 5" (17.8 x 10.0 x 12.7 cm)
Weight: Less than 2 lbs. (750 gm)
Pressurized, airtight, and watertight case (in black, orange or yellow)
Power Supply: 10 to 15 VDC
External Adapters: AC power (110 Volt adapter included) Car adapter (fused cigarette lighter cord included)
Internal Batteries: High capacity rechargeable ( 6 to 8 tracking hours on full charge)
Operating Temperature: 4 degrees to 158 degrees F (-20 degrees to 70 degrees C)
Operating Humidity: 0-95% relative humidity non-condensing

Receiving Frequency: Specially dedicated discreet VHF or UHF frequency
Noise Figure: 2.5 dB or better
Input Impedance: 2.5 dB or better
Frequency Stability: +/- KHz maximum (at operating temperature)
Image and Spurious Rejection: 60 dB or better
Minimum Discernible Signal: -150 dBm (.007 Mv or better)
Circuit Design: Modern dual conversion super heterodyne circuit with 8-pole crystal filter and 40 dB AGC range
Manual Gain Range: 90 dB or better
Frequency Readout: Digital, direct reading in 1KHz steps; analog delta tune +/- 2 KHz center frequency
Tuning: Three-digit, dust resistant, push-wheel switches control digital quartz-locked PLL synthesizer
Frequency Reset Ability: To +/- 500 KHz Signal Metering: 0 to 1 scale meter with high dynamic range circuit and backlit for night tracking. LED indicator gives linear signal strength-to-brightness response for night use
Noise Banking Circuit: Removes most impulse and ignition noise tracking in difficult conditions
Antennas Available: Omni (Non-Directional), Yaggi (Directional), Loop (Directional)

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