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["序号","串口号","第3个字节","第4个字节","频点(MHz)","字节是从左往右数"]
["1","COM20","02",12,2208.5]
["2",null,null,22,2214.5]
["3",null,null,32,2220.5]
["4",null,null,42,2226.5]
["5",null,null,52,2232.5]
["6",null,null,62,2238.5]
["7",null,null,72,2244.5]
["8",null,null,82,2250.5]
["9",null,null,92,2256.5]
["10",null,null,"A2",2262.5]
["11",null,null,"B2",2268.5]
["12",null,null,"C2",2274.5]
["13",null,null,"D2",2280.5]
[null,null,null,"E2","2286.5"]
[null,null,null,"F2","2292.5"]