Anechoic Chambers

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BJ-8853 Compact Anechoic Chamber with 4-Axis Positioner

● For 5G mm Wave far field OTA test;

● Suitable for DUT size < 7";

● 700MHz to 50GHz RF Isolation > 70dB;

● Absorber reflective:<-30dB in FR2 frequency bands;

● For Mass Production test application.

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● 5G mmwave OTA measurement in a compact footprint with max far field distance up to 250mm to fit various DUTs for cost effective mass production solution;

● Operation frequency from 700MHz to 50GHz;

● It contains a 3-axis linear movement plus 1-axis rotation positioner, in order to move any DUT antennas to the test area against the same ref antenna on top of the chamber;

● It can support any DUTs with <7”size;

● Input AC power: 100-240V AC 50Hz;

Mechanical Specification 

Outer Dimension  

692 (W)*800(L)*777.5(H)mm

Inner Dimension 

490 (W)*490(L)*490(H)mm

Operation Door Dimension


Net Weight    

approx. 127kg

Gross Weight  

approx. 165kg


Positioner specification 

X Range 

±90 ± 0.2mm

Y Range 

±90 ± 0.2mm

Z Range 

60 ± 0.2mm


± 180deg

Theta axis accuracy  


DUT Size 

Max: 180(L)*120(W)*50(H)mm

DUT Weight 

Max :800g

Far Field Distance 




● Antenna, port and connector, based on customer requirement.

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