China 2400 bits per second GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days .


	GB/T 9541-1988 2400 bits per second duplex modem using the echo cancellation technique standardized for use on the general switched telephone network and on point-to-point 2 wire leased telephone-type-circuits 在普通电话交换网和点对点二线租用电话型电路上使用标准化的回波抵消技术的2400比特/ 秒双工调制解调器 - 英文版
	GB/T 7625-1987 2400/1200 bits per second modem standardized for use in the general switched telephone network 在电话自动交换网上使用的标准化 2400/1200比特/秒调制解调器 - 英文版
	GB/T 7624-1987 2400 bits persecond modem standardized for use on 4-wire leased telephone type circuits 在四线租用电话型电路上使用的标准化2400比特/秒调制解调器 - 英文版

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