Wireless Channel Simulator Calibration Specification:

Wireless Channel Simulator Calibration Specification JJF1286

Instrument Calibration Parameters:

Output Frequency 10kHz~8GHz

Loss/Attenuation/Frequency Response (0~80)dB(10kHz~8GHz)

Path Delay (0~10)ms

Group Delay 5ps~10μs

Spectral Purity (-30~-120)dBc(10kHz~8GHz)

Flatness/Linearity (0~10)dB(10kHz~8GHz)

Analog Baseband Frequency Response (0~5)dB(10kHz~8GHz)

Analog Baseband I/Q Amplitude Balance (0~5)dB(10kHz~8GHz)

Analog Baseband I/Q Phase Balance (0~5)°(10kHz~8GHz)

Port Voltage Standing Wave Ratio 1~5(10kHz~8GHz)

GRG Metrology was established in 2002 and is a leading third-party metrology and testing listed company.

Focusing on industrial demands, GRG Metrology has strategically expanded into new infrastructure, digital transformation, and industries related to daily necessities. It provides comprehensive one-stop services for the entire supply chain in strategic sectors such as special equipment, aviation, integrated circuits, low-altitude economy, new energy, 5G communications, intelligent connected vehicles, software and information technology, and life sciences.

GRG Metrology's qualifications are at the industry-leading level, with the total number of CNAS-accredited projects ranking first in the industry for five consecutive years. It holds CNAS accreditation for 45,053 parameters, CMA accreditation for 65,113 parameters, and CATL accreditation for 7,922 parameters.

The headquarters and subsidiaries of GRG Metrology have received nearly 500 authoritative qualifications and honors from industry and social organizations, including 22 high-tech enterprises.