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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";

● For Mass Production test application.

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● 5G mm wave 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;

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

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

● Ability to move DUT around with its accurate 4-axis positioner;

● X axis motion ±90mm, Y axis motion ±90,Z axis motion 60mm,U axis rotation 0~360° for Antenna Pattern Measurements;

● mm wave rated RF filters on all Chamber I/O ports;

● Customizable measurement automation scripts, Flexible software development;

● Precision of Elevation and Azimuth (theta/phi) axis reach +/-0.5º;

● 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 390(W)*325(H)mm
Net Weight  approx. 127kg
Gross Weight approx. 165kg


4-Axis positioner specification 
X Range ±90 ± 0.2mm
Y Range ±90 ± 0.2mm
Z Range  60 ± 0.2mm
rotation ± 180deg
Theta axis accuracy ±0.5deg
DUT Size Max :180(L)*120(W)mm
DUT Weight Max :600g
Far Field Distance 150~250mm



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



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