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WT-428 Wireless connection tester
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WT-428 Wireless connection tester

High-precision and high-efficiency Wi-Fi 7 RF test solution!
High-precision and high-efficiency Wi-Fi 7 RF test solution!
 
■   320M residual EVM can be better than - 48dB, meeting the requirements of Wi-Fi 7 product testing with high accuracy;
 
■   The industry-leading port isolation can reach 110dB;
 
■   The stand-alone can support the DEVM test of FEM/PA;
 
■   Single machine can support 2 * 2 MIMO, and multi-machine stacking can support 8 * 8 MIMO.
Specification
Relevant information
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Introduction:

 

 

 

       It supports sub-instrument functions, has 4 sets of VSA/VSG units, and can be allocated to 4 users at most for independent use at the same time. WT-428 is a kind of wireless network test instrument for testing the new generation 802.11be (Wi-Fi 7) protocol. The test frequency can cover the 400MHz-7.3GHz frequency band, and the test bandwidth can reach 400MHz. It supports 4096-QAM modulation, which can provide accurate, reliable and efficient R&D and mass production test solutions for Wi-Fi 7 products. It can meet the DEVM verification test requirements of Wi-Fi PA/FM products. It has two sets of independent signal transceiver units. A single machine can hold 2X2 MIMO test, and multiple machines can hold 8X8 MIMO test. The industry-leading test accuracy and stability can meet the requirements of R&D limit test. 

 

 

Support business:      

 

 

■ Wi-Fi:802.11 be(Wi-Fi 7);

 

■ Wi-Fi:802.11 ax(Wi-Fi 6/6E);

 

■ Wi-Fi:802.11 ac(Wi-Fi 5

 

■ Wi-Fi:802.11 a/b/g/n/p

 

■ Bluetooth(1.0/2.0/3.0/4.0/4.1/4.2/5.0/5.1/5.2)              

■ IoT:ZigBee……

 

       

 

 

Key features:      

 

Support Wi-Fi 7

 

Support 4096-QAM (MCS 12/13);

 

Support 320/160+160/80+80 MHz bandwidth;

 

Cover three Wi-Fi bands : 2.4G,5G,6G;

 

Support pucturing.

 

R&D and DVT test for Wi-Fi/PA/FEM chipset

 

Support DEVM; 

 

Support Channel Model (AWGN model B/D/E) setting.                                                                                 

MIMO Measurement

 

2x2 true MIMO with one single tester;

 

Scalable to 8x8 true MIMO with 4 tester;

 

Support MU-MIMO。

 

High efficiency and flexible use

 

The subnet port can support AP-type DUT single PC one-to-eight parallel test; 

 

Support SCPI instruction monitoring, facilitate automatic development, debugging and integration.

 

 

METER

Network diagram of one - eight

 

Technical Specifications:  

 

 

Input/Output frequency range     

 

 

400 to 7300 MHz

 

 

IF bandwidth

 

400 MHz

 

Input power range

 

 

+30 dBm peak (+25 dBm average)

 

Output power range(CW)

 

+5 dBm to -100 dBm(400 MHz to 6500MHz)

 

0 dBm to -100 dBm(6500 MHz to 7300MHz)

 

Input power accuracy(SISO)

 

± 0.3 dB(+25 to -40 dBm)

 

Input power accuracy(Combined)

 

± 0.5 dB(+25 to -40 dBm)

 

Output power accuracy(SISO)

 

± 0.5 dB ( +5 dBm to -90 dBm)

± 1.0 dB ( -90 dBm to -100 dBm)

 

Output power accuracy(Combined)

 

± 0.5 dB ( +5 dBm to -90 dBm)

± 1.0 dB ( -90 dBm  to -100 dBm)

 

Input/Output return loss 

 

>15 dB(400 to 3800MHz)

 

 

>14 dB(3800 to 6000MHz)

 

 

>13 dB(6000 to 7300MHz)

 

 

Port to Port Isolation

 

 

>110 dB

 

 

Residual loopback EVM

 

 

-Power in/out at -10 dBm

-Averaged over 20 packets                               

-Measured at 6905 MHz

-802.11be,320 MHz,MCS 13                                    

≤-48 dB                                                                           

Note1:Output power can be lower than -130 dBm

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