T/ZDQ 001-2025 Smart low-voltage electrical 4G device wireless communication application technical specifications

Scope

Scope: This document mainly stipulates the technical specifications of the 4G Cat1 Bis module in wireless communication technology for smart low-voltage electrical terminal devices in terms of radio frequency indicators, reliability, etc. This document is applicable to module devices using 4G Cat1 Bis technology; Main technical contents: Radio frequency consistency requirements include: maximum output power, minimum output power, shutdown power, universal transmission/shutdown time templates, absolute power, control tolerance, relative power, control tolerance, frequency error, vector error amplitude, carrier leakage, occupied bandwidth, spectrum radiation templates, adjacent channel leakage ratio, transmitter spurious radiation, reference sensitivity, etc. Reliability requirements include: technical requirements, environmental requirements, high-temperature environment, low-temperature environment, and alternating wet-heat environment requirements.

Development Information

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