Full screen NEXUS-4

4 GHz Bi-Directional RF Attenuator Matrix Switch

General Description:

The NEXUS-4 is a bi-directional fully non-blocking 32x32 RF matrix switching system that can route any input ports to any output ports in a 6 RU chassis. With the frequency range of 700 MHz to 4 GHz and the capability of expanding to 256x256, it enables large scale wireless testing that involves many MIMO base stations and devices. The built- in programmable attenuators and efficient automation interface provide ease-of-use testing of signal fade and emulation of mobility scenarios. It can dramatically increase lab efficiency  by eliminating  manual  patch panel  and  cabling as  it  can be  remotely reconfigured for different test setups consistently in seconds. The utilization of NEXUS-4 RF matrices will expand your testing capabilities, improve ROI of lab instruments, and reduce time to market.

Features & Benefits:

  • 700 to 4000 MHz frequency range covering all major wireless technologies
  • Support 32x32 RF ports in 6 RU with modular design expandable to 256x256
  • Solid state switching and attenuation for consistent, repeatable and glitchless performance; reconfigure any test setup in seconds
  • Fully non-blocking splitting and combining that supports MIMO testing
  • Emulate free space incremental path loss of 0 to 60 dB
  • High power handling of up to 30 dBm
  • Management software Q-LAAMP enables resource and time allocation for high lab efficiency



Operating Frequency:

700-4000 MHz


Up to 32 Port A/32 Port B in a Single 6 RU Chassis

Matrix Type:

Passive Bi-directional, Fully Non-blocking

Switching Technology:

Solid State


50 Ω


60 dBm Min.


40 dBm Min.

Fixed Attenuation:1

48 dB Max. @ 4 GHz

VariableAttenuation(at each cross point):

0 to 60 dB Attenuation in 0.5 dB Steps

Isolation Port A to Port A:

100 dB Single Connection, 50 dB Multiple Connections

Isolation Port B to Port B:

80 dB Single Connection, 50 dB Multiple Connections

Isolation Port A to Port B:

100 dB

On/ Off Isolation:**

100 dB


14 dB Typ.

NoDamageSignal Level:

+40 dBm Max.

RF Connectors:

N-type, SMA, QMA, TNC, 4.3-10

Power Requirements:

100-240 VAC Autoranging, 50/60 Hz

Power Consumption:

63 W

Local Control:

Front Panel Keypad with LCD Display


Ethernet, TELNET, SNMP, or TCP/IP Via Customer Supplied Control System, XR Bus for Expansion


Embedded Web Server and API Protocol, Fast Ethernet Option, Q-LAAMP Option


6 RU: 10.5” H x 19” W x 25” D


117 lbs in 32x32 Configuration


FCC Part 15, CE, NRTL, TUV

*All product designs and specifications subject to change without notice. See individual specification sheet for specific performance data.

**Includes insertion loss of unit. The ON/OFF difference is 65 dB minimum

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