It depends on the size of the data written. At 115.200 baud, 8 bit data plus 1 start and 1 stop, divide by 10, so are roughly 11.520 bytes per second. If you send 1.152 bytes they'll take 1/10th of a second.
It depends on the size of the data written. At 115.200 baud, 8 bit data plus 1 start and 1 stop, divide by 10, so are roughly 11.520 bytes per second. If you send 1.152 bytes they'll take 1/10th of a second.