Product Information

SMR-5550i Microwave Receiver


  • 0.5–20 GHz Tuning Range
  • Compatible with FE-3820
  • Frequency Extender
  • Synthesized Tuning in 1 kHz Steps
  • Excellent Phase Noise Performance (0.2° rms, typical)
  • 1 GHz IF Output, 100 MHz Bandwidth
  • Selectable 70/140/160 MHz IF Outputs
  • Fixed Gain Wideband Output
  • Variable Gain Wideband Output
  • Variable Gain, Post Filtered IF Output
  • AM, FM and LOG Video and Audio Outputs
  • 4 Selectable IF Bandwidths
  • Ethernet 10/100BaseT, RS-232


  • Tuning Range Extension to 0.1 GHz (LBU)
  • External Preselector Control Port
  • DC Input Power 12–28 Vdc
  • 21.4 MHz IF Output
  • RS-422 Control

The SMR-5550i meets the need for a low-cost, high-performance microwave receiver. The receiver offers all the necessary features for high data rate PCM/TDM reception while maintaining high pulse fidelity for RADAR interception. The SMR-5550i electrical design features the low group delay distortion, low phase noise characteristics and high dynamic range necessary in today’s demanding signal environments. Through the use of state-of-the-art commercial components coupled with a high volume production line, the SMR-5550i sets a new standard for performance-to-cost value in microwave/mm wave signal reception.

For more information about this product or our custom development and design capabilities, call (443) 595-8500 or email us at