1.3.5
SecureNet
SecureNet allows you to perform secured communications on an Analog or Motorola Data
Communication (MDC) channel. The MDC Over-the-Air Rekeying (OTAR) feature allows you to
perform OTAR activities on an MDC channel.
1.3.6
Over-the-Air Rekeying
The Over-the-Air Rekeying (OTAR) feature allows the dispatcher to remotely reprogram encryption
keys in the radio after a rekey request.
Single-system OTAR
This feature allows a radio to be rekeyed by only one Key Management Facility (KMF) or Key
Management Controller (KMC).
Multi-system OTAR
This feature allows a radio to be rekeyed by multiple KMFs. After an initial programming, the radio
is able to seamlessly move to different secure systems associated to a newly selected channel.
NOTE: This feature must be preprogrammed by a qualified radio technician. Contact your
system administrator for more information.
1.3.7
P25 Digital Vehicular Repeater System
Motorola Solutions offers an MSI Certified APX compatible, third party, P25 Digital Vehicular Repeater
System (DVRS). This provides low-cost portable radio coverage in areas where only mobile radio
coverage is available.
The system sends DVRS firmware and configuration updates over-the-air. The following scenarios
occur during the update:
• If the update is accepted, the display shows UPDATING DVRS.
• If the update fails, the display shows DVRS UPDT FAILED. Contact your system administrator for
more information.
NOTE: Portable subscriber units enabled in the system for Radio Authentication shall be able to
authenticate regardless of whether they are communicating directly on the system or by using a
DVRS.
DVRS can also work with SmartConnect to use broadband coverage for the in-vehicle mobile. Portable
radios communicate through the in-vehicle mobile to the system through the LTE, Satellite or Wi-Fi
connection. This extends the system coverage when you are away from the vehicle.
1.3.8
Conventional Talkgroup and Radio Scan Enhancements
Enhancements have been made to the Conventional Talkgroup at the system to improve the Scan
feature operation significantly when multiple agencies are using a single conventional radio frequency
channel.
These enhancements allow you to use Selective Squelch to operate on only the subset of talkgroups
that are relevant to the users rather than all talkgroups on the channel.
The enhancements support the following Scan mode:
• Mixed Vote Scan.
• Standard Conventional Scan.
MN006147A01-AE
Chapter 1: Read Me First
16
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