PHPWIND
HELLOCQ
UID:404239
UID:3460
bg7igi:这类低端对讲机用5V理论上比电池供电发射功率会提高了约1.5倍,如果电路不了解怕烧机,用5V手机充电器再串一支如4001之类的普通整流二极管降压0.7V,4.3V的供电刚好和电池充满电时的状态相当了 .. (2017-02-05 23:11)