Simoco SB2025NT base station

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Simoco has released the SB2025NT base station that combines the P25 base station, IP-network interface and traffic management functionality into a compact two-rack-unit chassis.

Featuring processor-controlled GPS synchronisation, auto set-up and remote management, the base station is easy to deploy and manage. Each unit accommodates a GPS receiver to provide the timing source throughout the network and up to 32 base stations can be connected together via IP links.

The network interface is DFSI compliant with dispatch consoles and applications such as AVL systems and voice recorders. The integrated traffic manager provides the synchronisation and supervisory functions through the network and can be duplicated to provide distributed resilience of these functions.

The base station also incorporates an RSSI voter which can operate in talk-through mode with simulcast transmit. Receiver selection or voting is conducted in the digital domain within the traffic manager. The IP data packets contain both the received audio and signal quality information together, greatly reducing voter rise time.

Frequency bands for the base include VHF, UHF and 700 MHz.