LSTS is designed and developed to cater for wired voice communication between the Commandant and his battalion with multiple gun posts. The commander will be able to communicate with either one specific post or multiple posts or with all the posts at any point of time. The commander will be able to communicate to 14 such locations and one director gun post for monitoring over a distance of 1000 meters i.e 1Km.

• Operating Voltage 20VDC to 28VDC
• Operating current 0.5 to 4.5A
• Calling Range Upto 1km
• Frequency Response ±2dB variation
• Sensitivity : 30mV±10mV at s supply voltage of 24V DC
• Harmonic Distortion =7%
• Audio input voltage range 5m V rms to 50 m Vrms

AC output level : 240mVms(±100 m Vrms)at loudspeaker

LSTS will meet JSS 55555 Class L2J.

• Temperature:
  • Operating: -20±3°C to 55°C±3°C
  • Storage: -20±3°C to 85°C±3°C
• Vibration: 5 to 13 Hz ±6 mm constant displacement, 13 to 500 Hz ±40 m/s ² constant acceleration.
• Altitude: 3000 M
EMI / EMC: as per MIL-STD 461-E

GTU will meet JSS 55555 Class L3.

• Temperature:
  • Operating: -20±3°C to 55°C±3°C
  • Storage: -20±3°C to 70°C±3°C
• Vibration: 5 to 8 Hz ±6 mm constant displacement, 8 to 500 Hz ±15 m/s² constant acceleration.
• Altitude: 3000 M