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Bittium TAC WIN Radio Head IV™

Bittium TAC WIN Radio Head IV™
For creating a Radio Link network, which brings high capacity connections to the command site, or backbone to fixed core network. Frequency band 4400-5000 MHz. Available in two variants, with integrated beam steering antenna or with integrated fixed beam antenna and external rotator integration, depending on the requirements.

With the Software Defined Radio (SDR) based Bittium Tactical Wireless IP Network (TAC WIN) battlegroups can create high-data-rate wireless IP networks as a backbone to support command and control (C2) data transmission during military operations. Compared to existing tactical data link networks, flexibility to use the Bittium solution in different frequency bands and network structures provides cost effectiveness, ease of use, and efficiency.

Bittium TAC WIN network can be deployed in any location. It enables formation of an independent IP network and is compatible with existing infrastructure, both wire-line and wireless.

As it is software-defined, the system is versatile, can be easily upgraded and it is easy to adapt. The system enables a mesh network solution with high-data-rates and automatic network configuration required by battlegroups on the move.

Bittium TAC WIN has excellent performance and form factor as both network node and router functionalities are integrated into a single product. 



  • Single system for MANET, Point-to-Multipoint and Link use.
  • Wireless and wired connections seamlessly integrated to one network using OLSR routing.
  • Supporting multiple frequency bands: NATO I, III and IV.

ECCM Capabilities

  • Frequency hopping, adaptive modulation and MANET routing ensuring connectivity also during electronic warfare conditions.
  • Independent from GNSS using Bittium AIS synchronization.

High Data Throughput

  • Up to 50 Mbps data throughput with TAC WIN Waveform.
  • All-IP wideband connectivity across the battlefield.

Quality of Service

  • Operation of high priority services guaranteed even during conditions with limited connectivity.


  • Bittium TAC WIN Waveform has TRANSEC that encrypts all data using AES-256.

Long Range

  • Up to 45 km range per hop in Link/Point-to-Point use.

Easy Integration

  • Standard IP interfaces and protocols supported.
  • Built in support for integration of legacy CNR-radios using audio and serial data.
  • Time and location information available for 3rd party systems.

Built-in Tactical VoIP Service

  • With built-in Bittium Tough VoIP Service, TAC WIN offers seamless and reliable voice in tactical network.
  • Supporting tactical voice features, user and device mobility, integration to 3rd party SIP systems.

Easy Management

  • Simple setup procedure.
  • Self-organizing network. No need for user interaction during operation.
  • Intuitive and visual Bittium Tactical Network Management™ system for the networks and nodes.

RH-IV and RH-IV High Gain

  • Frequency band 4400-5000 MHz
  • Signal bandwidth 5/10/20 MHz
  • Data throughput with Bittium TAC WIN Waveform: 50Mbps
  • Channel raster 250 kHz
  • TAC WIN Waveform Tx power: 1250 mW
  • Operating voltage: 16-60Vdc
  • Temperature range
    • -40 - 55 °C (operating)
    • -40 - 70 °C (storage)
  • Ingress protection class IP67
  • Dimensions 385 x 520 x 67 mm (h x w x d)
  • Weight 10 kg
  • Tested with MIL-STD-810G and MIL-STD-461G
  • Passive cooling (no fans)
  • One hybrid cable interface (power and data)

RH-IV variant: Integrated patch antenna with 50° beam steering (gain 19dBi / beamwidth 9° / vertical polarization). Can be used with external antenna.

RH-IV High Gain variant: Integrated fixed beam antenna with 9° beam (gain 23dBI / vertical polarization) and external rotator control interface.

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