Tait Communications

TN9300 Tier 2 and Tier 3 Network


Tait DMR networks are feature-rich, digital systems designed to provide mission-critical communications over wide geographic areas.

The TN9300-1 sits at the heart of all Tait DMR Tier 3 trunked networks and the TN9300-2 is at the heart of our DMR Tier 2 conventional networks. The nodes are responsible for establishing the calls for the entire radio fleet.

Complete DMR networks include mobile and portable radios, base stations/repeaters and a trunked core network.

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Download Tier 3 technical specifications

Download Tier 2 technical specifications
TN9300 Tier 2 and Tier 3 Network

Why choose TN9300?

Lower Total Cost of Ownership

The highly flexible and scalable designs of the Tait nodes allow your organization to deploy a cost-effective infrastructure that meets your communication and operational needs both now and in the future. Large DMR networks are scalable up to 20 nodes and 1000RF channels.

Robust, reliable networks

We design, build and test DMR networks to the highest quality standards. Engineered with our Tait Tough hardware and combined with a resilient infrastructure, our DMR networks provide communications you can count on.

Open standards commitment

We are committed to DMR open-standards, which ensure opportunities for multi-vendor solutions with standardized interfaces.

Efficient, mission critical communications

Remote management features allow for greater operational efficiency, and Mission Critical Data (SCADA & Telemetry) enable you to get more out of your network.

Technical specifications

DMR Tier 3

Modes of operation

DMR Tier 3 Trunking Mode

Total number of radios supported


Interfaces supported

DIP, AIS, SIP, PSTN/PABX, Voice Recorder

Number of sites/channels per system

Supports up to 250 physical sites/1,000 Physical channels (2,000 logical channels). One or two control channels per site

Fault tolerance

High availability failover from primary to secondary server (hardware/network/software failure)
Isolated site (network failure) Switch to single site trunking at that site
Backup control channel (base station failure). Control channel allocated to a different base station

Subscriber management

Add/remove single/multiple subscribers
Customize call type permissions
Add/remove multiple talkgroups
Add a broadcast call group
Add a system call group

DMR Tier 2

Modes of operation

DMR Tier 2 Conventional Mode

Interfaces supported

AIS, PSTN/PABX, Voice Recorder

Number of sites/channels per system

Supports up to 20 sites/40 RF physical channels (80 logical channels)

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