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SIM卡信号的驱动电流是多少mA，是否是可调节的？
2022-06-12 05:32:00 【bestwu0666】
2/4/6/8/10/12/14/16 mA, 有8档可调整。
（Note：DX-1（MT6983）/DX-P（MT6895） 3V IO口驱动不够，只有2/4mA）
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