DAMM MultiTech Outdoor Base Station BS422

DAMM Outdoor System BS422

The DAMM MultiTech Outdoor Base Station BS422 is the world’s only outdoor base station featuring multiple technologies in one single core-connected system: TETRA, DMR Tier III, TEDS and Analogue. This technology-independent solution features multiple carriers as well as frequency sharing in one box within either UHF or VHF frequency ranges.


The core-connected BS422 removes the need for gateways or bridges. Multiple technologies can easily be combined in one coherent system, or the one technology that matches a current need can be chosen and scaled anytime to meet changing voice and data needs with a simple click.

Multiple technologies – one software

With everything covered by one system, operation, maintenance and repairs are easy. Multi-technology networks can be managed in a single network management tool with one central subscriber register. Applications like dispatchers and voice and data log systems can be used across all technologies, and all technologies use the same gateways.

Seamless integration

The BS422 can be set up as a stand-alone system. It can also be seamlessly integrated into any existing DAMM single-tech network.

Reduce frequency licence costs

Frequency sharing allows adjacent BS422s to use the same frequencies. This is a significant benefit in low-density networks and gives the possibility to cover, for example, a railway line with just two frequency pairs.

Simplify repeater systems

With frequency sharing, an indoor repeater system can be built without optical fibres. The same hardware can be used as base station and repeater unit, increasing redundancy and simplifying the network architecture by having one unified network management system and reduced spare part stock.

Base station geo-redundancy

With the BS422, network availability can be brought to a new level. Two BS422s located at two sites can act as one fully redundant base station, sharing the same frequencies. This will add redundancy not only to the base station, but also to the whole antenna system. The BS422 saves on infrastructure costs by utilising VHF frequencies to obtain the same coverage as UHF but using fewer base stations.

Rugged and compact design

The BS422 is built to withstand harsh conditions, from extreme cold to extreme heat, as well as wet conditions due to its IP65 encapsulation. Its compact and lightweight design makes it easy to install everywhere, from masts to tunnels and on the back of trucks.

No single point of failure

At the core of the BS422 is a decentralised architecture, which ensures that all system information is constantly replicated to all sites in the network. This means the system does not have any single point of failure. This way, local call and data traffic will run without interruption, even if one site loses its connection to the rest of the network.

Flexible and future-proof

The flat, decentralised IP architecture and intuitive software enable effortless, self-configuring site expansion. The BS422 can be used with single or multiple carriers as well as single or multiple technologies, giving maximum flexibility.

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