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KAIROS REPEATER

The Radio Activity Kairos repeater is a ‘software defined’ radio in which all the mode modulation and filtering processes are achieved through Digital Signal Processing (DSP). This technique assures reliable and precise matching between the base stations and allows for a repeater that is exceptionally small and lightweight. This also provides a platform that is future proof; new protocols and standards can be implemented as a software upgrade. The design is based on a Linux core providing native IP interfacing in distributed IP networks.The radio platform has been designed to meet the most stringent specifications, making Kairos suitable for applications where radio frequency pollution is a known problem. Excellent resistance to interference coupled with software diversity reception, greatly improves usable coverage and ensures clarity of signal.

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Description

Features & Benefits

Dual Mode

The repeater switches automatically between analogue and digital transmission according to the incoming signal type. This enables easy migration from analogue to digital in a large fleet without a complete fleet switch over.

UHF Linking

Allows the repeater to be used as an RF interconnect between sites where an IP backbone is not available and can be used to link channels in analogue, DMR and dual mode.

SYSTEM REDUNDANCY

Repeaters can be configured in 1+1 hot standby (main + standby) mode to provide system redundancy. Repeaters can also be setup as Backup Masters (a Slave repeater that automatically replaces a failed main Master, maintaining all the network functions). The LINUX platform allows a distributed implementation therefore increasing its flexibility and reliability.

SIP/RTP-IP PORTS

Provides for direct connection to the radio network and extensive integration capabilities with software applications (e.g. control room consoles) and PABX systems.

RELIABLE

The power supply input is protected from short circuit and under/ over/ reverse voltages. The RF power devices are protected from reverse power, over temperature and over current.

IP MULTISITE MULTICAST AND SIMULCAST

Provides sophisticated network protocols required for professional multisite networks: IP linking and interfaces, Voting, Automatic Equalisation, Syncronisation Recovery, Precision Time Protocol (PTP) and Self-Calibration.

SOFT DIVERSITY RECEPTION

Included as standard,this is a signal reception technique based on the vectorial treatment of two or more incoming signals.It strongly enhances the received range by removing fade holes and other multipath issues.

POWERFUL REMOTE CONTROL

Setup and network maintenance operations are simplified by use of a sophisticated remote monitoring and configuration tool. This also allows secure software upgrades,IP backbone diagnosis and an overview of the complete radio system. The Kairos also supports the SNMP protocol for direct reporting to a generic monitoring system.

LIGHT AND RUGGEDISED

The Kairos’s innovative design provides for an extremely lightweight, compact and fanless repeater. The very low power consumption makes the Kairos well suited to off-grid sites, simplifying and reducing the cost of associated power sources.

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Additional information

Manufacturer

General Accessories