User's Manual

First InterComm™ system VCA100 user manual A29798 September 2008
AEL Authorized equipment list
AES Advanced encryption standard adopted as standard by U.S. government
DC Direct current
DES Data Encryption Standard
DHS Department of Homeland Security
EMI Electromagnetic interference
FCC Federal Communications Commission
FM Frequency modulation
GPS Global Positioning System
IAN Incident area network
LED Light-emitting diode
LOS Line of sight
MIL-STD Military standard
NIMS National Incident Management System
P25 Project 25 (encryption protocol for digital communications)
RF Radio frequency
SEL Standardized equipment list
SMA Subminiature version A (RF connector)
SOP Standard operating procedures
TNC Threaded Neill-Concelman (RF connector)
UHF Ultra high frequency
VCA Vehicle communications assembly
VHF Very high frequency
VoIP Voice-over-Internet protocol
Appendix B
Acronyms and abbreviations
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