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5G Massive MIMO Test System

NT-VPM-VAM m×n is a bi-directional RF variable phase shifter and variable amplitude modulator matrix, m input port and n output port, it is suitable for lab testing by controlling m×n independent bidirectional RF channels. Users can easily simulate 4G/5G telecommunication Massive MIMO system beam forming and fading of the mobility scenarios between the sectors.
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Product description
Technical specifications

 

NT-VPM-VAM m×n is a bi-directional RF variable phase shifter and variable amplitude modulator matrix, m input port and n output port, it is suitable for lab testing by controlling m×n independent bidirectional RF channels. Users can easily simulate 4G/5G telecommunication Massive MIMO system beam forming and fading of the mobility scenarios between the sectors.

 

Product Features

  • ● End-to-End Performance Testing of Wireless Devices and Network Infrastructure.
  • ● Emulate radio channel characteristics including path loss, multi-path fading, polarization for MIMO+ Beam-Forming.
  • ● Emulate radio BS Beam-Forming directivity.
  • ● Emulate radio UE movement BS Beam-Forming beam tracking.
  • ● Compatible with customer ATE platform, offer API control interface.
  • ● Extendibility, customized design, cover 1.8-2.7GHz, 2.3-3.8GHz, 3-6GHz, 24-30GHz and up to 128×128 matrix.
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Current Product Specifications

● Operating Frequency: 1.8-2.7GHz, 2.3-3.8GHz, 3-6GHz
● Input return loss: 15dB
● Insertion loss: 40~56dB
● Isolation: >50dB
● Phase shift range: 360°, 1° per step
● Phase error after Cal: <±3°
● Attenuation range: 0~120dB, 0.25~1dB per step
● Amplitude error after Cal: <±0.5dB
● Input average power: 30dBm

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