P25 TN9400 Trunked Core Network

  1. Tait P25 TN9400 trunked networks are IP-based digital systems specifically designed to provide P25 open standards compliant mission-critical communications over wide geographic areas. Tait P25 TN9400 trunked networks are extremely resilient, with multiple levels of redundancy for reliable communications you can depend on.

    The TN9400 is responsible for establishing calls for the radio fleet. The highly flexible and scalable design of the Tait TN9400 allows your organization to deploy a cost-effective infrastructure to meet your communication and operational needs now and in the future. For those seeking a single supplier for system supply and support, Tait can provide you with complete network maintenance and enhancement.


    Tait P25 TN9400 Trunked Core Network

    Intelligent, reliable and robust

    Key features:

    • P25 Phase 1 trunked and trunked simulcast operation
    • Upgradable to P25 Phase 2 operation (with the TB9400)
    • P25 open standards compliance
    • Expansion via P25 open standard interfaces: CSSI and ISSI*
    • High availability for ensured continuity of network operation in case of server failure
    • Remote management for greater operational efficiency
    • Maximum site spacing with Linear Simulcast Modulation (LSM) (used with the TB9400)
    • Trunked Analog Gateway (TAG) enables connection to legacy analog consoles
    • Data transmission over a standards based IP data pipe
    • Supports end-to-end encryption
      *Contact your local Tait representative for more information.

    Download the P25 TN9400 specifications sheet (PDF, 569KB) for more detailed information.

    Read more
    Tait P25 TB9100 Phase 1 base station/repeater

    Tait P25 TB9400 Phase 2 (upgradable) base station/repeater

  2. General Performance






    Voice call types Group, individual, announcement, broadcast, emergency
    Non-voice calls All standardized P25 supplementary services – status, radio check, monitor, call alert, inhibit/uninhibit
    Modes of operation P25 Phase 1, P25 Phase 2*, P25 Phase 1 trunked simulcast, P25 Phase 1 trunked LSM
    Channel frequencies Channel addressing supports the use of non-contiguous frequency allocations
    Channels per site 23 traffic channels, plus control channel
    Number of sites Supports up to 28 physical sites distributed over up to 20 logical sites
    Number of talk groups 600
    Number of radios supported 10,000
    Tait repeaters supported P25 TB9100, P25 TB9400
    Supported server Dell
    Environmental specification of server +50°F to +95°F (+10°C to +35°C) operation
    Maximum radios registered at a site 10,000 radios
    Encryption support Passes encrypted transmissions - AES, DES
    Talk group scanning Supported
    Interfaces supported CSSI, ISSI*, Trunked Analog Gateway (TAG)
    PSTN Supported
    Redundancy RFSS, site, geographic
    P25 CAP tested Passed
    Late entry to group calls Supported
    Queued calls Supported
    IP data Supported (Enable IP)

    Specifications are subject to change without notice and shall not form part of any contract. They are issued for guidance purposes only. All specifications shown are typical.
    *Contact your local Tait representative for more information.

    The word "Tait" and the Tait logo are trademarks of Tait Limited. Tait is an ISO 9001: 2008 and ISO 14001: 2004 certified supplier.