GSM mobile phone network access test GSM mobile phone network access test ZTGSM mobile phone test Geng Tao I. Introduction With the rapid development of mobile communications, the number of GSM mobile phone users is also growing at an alarming rate. Due to market demand, various GSM mobile phone manufacturers are constantly launching various models of mobile phones, especially domestic manufacturers. Obviously, more models and more personalized mobile phones can be seen on the market. This provides a wide range of choices for consumers who intend to buy GSM mobile phones. For consumers, the performance and quality of mobile phones are their most concerned issues. In order to ensure that the majority of mobile communication users can get high-quality communication service quality and protect their rights and interests to the greatest extent, the government department in charge implements a network access license management system for GSM mobile phones. This article briefly introduces the network access test of GSM mobile phones. II. Test standards The test standard followed by GSM mobile phones is YD/T 1215-2002 \"900/1800MHzTDMA digital cellular mobile communication network general packet radio service (GPRS) equipment test method: mobile station\". It replaces YD/T 884-1996 \"900MHz TDMA Digital Cellular Mobile Communication Network Mobile Station Equipment Technical Specifications and Test Methods\". III. Test Content and Methods The GSM mobile phone network access test mainly includes the following test items: appearance and packaging test, service and function test, RF performance test, electromagnetic compatibility (EMC) test, environmental adaptability test, life test, battery and charger test. 1. The appearance and packaging test mainly checks whether the appearance of the mobile phone packaging box and the appearance of the mobile phone itself meet the requirements, and whether all accessories of the mobile phone are complete. 2. The service and function test is to verify the dialing on the actual GSM network according to the test items required by the specification. Check whether the mobile phone can achieve the expected results required by the specification to ensure that the mobile phone can work normally on the actual GSM network. 3. The RF performance test includes two parts: the performance test of the transmitter and the performance test of the receiver. Transmitter requirements...
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