Uniden Multi-Site Trunking

Introduction

This feature is implemented in the BCT15, BCT15X, BCD996T, BCD396XT, BCD996XT, BCD325P2, BCD996P2, BCD436HP, BCD536HP branded Trunking Uniden scanners.

Some Motorola, EDACS wide coverage systems, Project 25 both Phase I FDMA and Project 25 Phase II TDMA use multiple System Sites that are linked together to provide extended area coverage. Each Site operates on its own set of frequencies, but all Sites share common Talkgroup IDs (TGIDs/channels) with all the other Sites in the System.

With the initial implementation of Dynamic Memory Architecture (DMA), each site needed to be entered as its own System (BCD296D and BCD396T), so all TGID had to be duplicated for each site. This resulted in more complexity as well as higher scanner memory usage in programming multiple Systems with multiple different System Quick Keys.

With this newer method, you define a System, one or more Sites for the System with its respective frequencies, and then the TGIDs for the System. All TGIDs are shared among all Sites.

Normally, a Site will only carry traffic for a Talk Group that has at least one subscriber unit (Mobile/Handheld transmitting radio) affiliated with it.

Here’s an outline of a Multi-Site System for BCT15, BCT15X, BCD996T, BCD396XT, BCD996XT, BCD325P2, BCD996P2

Multi-Site System Outline

System

System Attributes

Site

Frequencies

Other Attributes

Site

Frequencies

Other Attributes

Group

Group Attributes

TGID

TGID Attributes

TGID

TGID Attributes

Group

Group Attributes

TGID

TGID Attributes

TGID

TGID Attributes

or

System

Site

Site

Group

TGID

TGID

Group

TGID

• The System name is never displayed, but makes the System easy to find for programming or updates. BCT15, BCT15X, BCD996T, BCD396XT, BCD996XT
• The System and Site names are toggled between on the display for the BCD325P2, BCD996P2, and both are shown on the BCD436HP, and BCD536HP models, with Favorites simply a file layer above Systems.

Primarily attributes of a Site include:

• Site Name
• Site Startup Key: Allows you to turn on the scanner with certain sites preemptively enabled (used to scan different areas; like Home vs Work)(not necessary for all users)
• Site Frequencies: All or Control Channel and Alternate Control Channels
• Site Hold Time: Sets how long the scanner will monitor the site.
• Site Location: Allows you to set the scanner to scan by location and range (if you use the scanner with a GPS unit attached.)(not necessary for all users)

BCT15, BCT15X, BCD996T, BCD396XT, BCD996XT, BCD325P2, BCD996P2

• Site Quick Key: Equivalent to the System Quick Key (SQK); turns the site on/off for scanning. BCT15, BCT15X, BCD996T, BCD396XT, BCD996XT, BCD325P2. BCD996P2 (best practice)

BCD436HP, BCD536HP

• Site Quick Key: Equivalent to the Department Quick Key(DQK); turns the site on/off for scanning. BCD436HP & BCD536HP (best practice)
  • All Sites Can be on 1 DQK or utilize many DQKs (Don't use the exact same DQK for Departments and Sites (unless Anytown's TGIDs only ever utilize the Anytown Site)
  • DEPARTMENT is the new name for GROUP (100 DQK's) vs (10 GQK's)

Here’s an outline of a Multi-Site System for the BCD436HP, BCD536HP Scanners

Multi-Site System Outline for the BCD436HP & BCD536HP

Favorites

System

System Attributes

Department (Site)

Site Frequencies

Other Attributes

Department (Site)

Site Frequencies

Other Attributes

Department (TGID Grouping)

Department Attributes

TGID

TGID Attributes

TGID

TGID Attributes

Department (TGID Grouping)

Department Attributes

TGID

TGID Attributes

TGID

TGID Attributes

or

Favorites 08

Systems 33

Department 12

Example 08.33.12 e to enable Department 12, System 33 under Favorites List 8, and that Department could be a Site or a grouping of TGID's, it's up-to the user to make a list of which Quick Keys are what.

Return to the Uniden DMA FAQ

Updated 4/8/16