Barrett PRC-4090 - Page 198

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BARRETT PRC-4090 TACTICAL HF SDR TRANSCEIVER - APPENDICES
Frequency
hopping
Barrett HF Frequency Hopping algorithms - 25 or 5 hops
per second with External Synchronisation Unit (ESU) sup-
plied when the option is tted. Improved internal clock
to maintain clock synch without GPS signal for extended
periods in the eld (Minimum 48 hrs w/o GPS Signal)
Selcall system Based on CCIR 493-4, four and six digit systems.
Simple mode for a single radio ID.
Expanded mode to allow for multiple Selcall IDs.
Option: ICAO Annex 10 Selcall Encode (ARINC).
ALE Standards
(options)
MIL-STD-188-141B (2G) JITC Certied, FED STD 1045
MIL-STD-188-141B Appendix C (3G), STANAG 4538
Digital Voice
Encryption
Enhanced Digital Voice and Secure Digital Voice options
with choice of autobauding “Low Rate” vocoder option
(TWELP/MELP Non-proprietary - customisation availa-
ble) providing superior voice recovery on poor channels
down to -3dB.
- AES 256 Digital Encryption with 600/1200/2400bps
Vocoder
- DES 56 Digital Encryption with 700/1200/2400bps
Vocoder
Security Zeroise, Over Air Transceiver Lock, Transceiver Kill
User Interface Ruggedised touch screen and keypad (VFO control in RX/
TX Scroll).
LCD Display 4.3 inch 800 x 480 pixel display with capacitive touch-
screen
Current
consumption
350 mA standby (muted)
Channel capacity 1000 programmable channels
Contact Capacity 500 contacts
Scan Tables 10 scan tables
Noise Reduction
(DSP)
3 level settings
Nominal Voltage +13.8VDC, Negative Ground