Comtech MBT-4000 & MBT-4000B Multi-Band RF Transceivers

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Product Information

  • Type: Up/Down Converters
  • Frequency: C X Ku Ka L
  • Brand: Comtech EF Data
  • SKU: CMT178

Tech Specifications

Datasheet PDF


The RF marketplace has been transitioning from traditional 70/140 MHz IF-based networks to systems using L-Band (950 to 2000 MHz) for the modem/RF equipment link. The MBT-4000 and MBT-4000B Multi-Band RF Transceivers are designed to perform C, X, Ku or Ka RF to L-Band down conversion and L-Band to C, X, Ku or Ka RF up conversion. The MBT-4000 supports two independent converter modules. The MBT-4000B supports one up converter module and also provides the bias, reference, and monitoring of one LNB.


  • RF band switching in minimal time without requiring tools
  • Minimal cost for a complete system including spares
  • Easy expansion for providing a redundant system or other frequency bands
  • Rugged construction for mobile and transportable applications
  • Automatic band identification for the BUC, BDC, and antenna feed (if the feeds provide an identifying connector)
  • Meets or exceeds MIL-STD-188-164A
  • Low phase noise
  • No spectral inversion
  • 10 dB gain adjustment
  • Auto band sensing capability
  • Easy system status verification via LEDs located behind a removable cover
  • 1:1 redundant up and down conversion which can be “Chain switched” with external amplifiers and LNA/LNBs

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