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VRS-5910™ Series

The VRS-5910™ repeater system provides UAV operators with a turn-key, COTS/NDI solution for maintaining a reliable, frequency agile, two-way voice communication link with air traffic controllers (ATC) during extended range and duration flights.

The VRS 5910™ relay package features remote frequency control through any ground based computer, full VHF commercial band coverage, (118.000 MHz to 135.975 MHz with 25 KHz channel spacing) and 20/40/100/200 Watts of transmit power for long range, reliable operation. UHF and VHF/UHF coverage is optional.

The Remote Frequency Control feature allow the user to select both the forward and return link frequencies (pilot to aircraft and aircraft to ATC) wirelessly, through any RS-232 or RS-422 serial port interface using simple ASCII commands. The frequency control link can be either an existing user supplied communications up-link or Aero Telemetry's DLS-1000 Series™, long range, software programmable wireless data link system. Call for details.

REF: VRS-5910
» Remote airborne voice relay system
» Mil-Spec environmental-mechanical
» Fully integrated flight hardware
» Compatible with Mil-Std 1553 and Arinc 429 data buses
» COTS/Non Developmental Item






Frequency Range: 118.000 MHz to 135.975 MHz in 25 KHz increments
Frequency Stability: Within ±0.0015% over -65°C to +75°C
Control: PC remote control with software and I/O board interface
Duty Cycle: Four minutes receive - one minute transmit

Modulation: 85% capability with 90% limiting provided
Power: 20/40/100/200 Watts
Spurious AM: Greater than 70 dB down from carrier level
Harmonic Content: Greater than 60 dB down from carrier level
Audio Input: 0.25 Volts RMS into 250 (omega) input circuits
Sidetone Output: Transistor switched, adj. to receiver audio level
VSWR: 1.5:1 maximum
RF Impedance: 50 Ohms nominal
Loading: Normal Operation into any load VSWR and phase angle
Open/Short Protection: Internal isolator

Sensitivity: 3 micro Volts or less for 6dB signal
Selectivity: 20 KHz minimum at -6 dB, 40 KHz minimum at -60 dB
Output: 100 mW maximum adj. into 600 (omega) load
AGC Characteristics: 4 dB maximum deviation from 10µV to 100 KuV
Squelch: Automatic with manual disable and override
Spurious Output: 80 dB down minimum

Input Voltage: +28 VDC, reverse polarity protected
Input Current: 0.58 Amps receive, 3.95 Amps transmit

MIL-E-5400: Class 2
Temperature: -65°C to +55 with short time operation +71°C
Vibration: 20 G's, 20 Hz to 2 KHz, 3 axes
Shock: 1/2 Sine, 50 G Peak, 11 mS, 3 axes
Acceleration: 100G's, 3 axes
Altitude: Up to 65,000 feet MSL
Humidity: To 95% at any temperature forming condensation
Salt Fog: To Mil 810 E

Dimensions: Per outline drawing
Weight: 4.2 lbs maximum
Enclosure: Extruded aluminum
Finish: Mill finish, skydrol black paint