42-57D-05 Series


42-57D-05 Series, 380-512 MHz, Receiver Multicouplers provide unequaled performance in a space-saving package. The high performance LNA ’s exhibit a very low noise figure while providing a (100% measured) 3rd order output intercept point in excess of +40 dBm. The multicouplers are designed with a minimum gain of 12 dB which gives maximum sensitivity in rural applications.

Consult our comprehensive RF component and accessories catalog for Receiver Multicoupler Systems components such as LNA’s and power dividers for special needs you may have.

  • Space-saving, 19” rack mount design
  • Designed and manufactured high-performance LNA
  • Auto-Ranging AC Power, 85-264 VAC 50/60 Hz / -48 VDC



Datasheet (PDF)

Model Matrix

Model NumberNumber of PortsSystem Gain (Max)Power RequirementsConnectors (In/Out)Dimensions (HWD)
42-57D-05-08N815 dB85-264 VACN/N1RU x 19"x 14"
42-57D-05-08N-48815 dB-48 VDCN/N1RU x 19"x 14"
42-57D-05-08B815 dB85-264 VACN/BNC1RU x 19"x 14"
42-57D-05-08B-48815 dB-48 VDCN/BNC1RU x 19"x 14"
42-57D-05-16N1612 dB85-264 VACN/N2RU x 19"x 14"
42-57D-05-16N-481612 dB-48 VDCN/N2RU x 19"x 14"
42-57D-05-16B1612 dB85-264 VACN/BNC1RU x 19"x 14"
42-57D-05-16B-481612 dB-48 VDCBNC1RU x 19"x 14"

* Electronic Attenuator (0~15 dB range) in each unit can be used to reduce system gain for optimal performance.

Expansion kits

Model NumberDescriptionReceive Connectors
75-05-08N8 to 16 port Expansion kit, NN
75-05-08B8 to 16 port Expansion kit, BNCBNC

* Contact factory for custom units beyond 16 ports.

Product Specifications 
Item No42-57D-05
Item Name380-512 MHz, Receiver Multicouplers
Channel CapacitySee Model Matrix above
Tuned Bandwidth380-512 MHz
System GainSee Model Matrix above
Preamp Noise Figure1.5 dB
Preamp 3rd Order Intercept Point40 dBm
Power Requirements85-264 VAC or -48 VDC
ConnectorsSee Model Matrix above
Dimensions H x W x DSee Model Matrix above
Temperature Range0 - 50°C