For pictures of front and rear of R2ZX decoder. The baud rate is 1200 bps, 8 data bits, 1 stop bit, no parity, no flow control for connection to the serial port.more useful info about similar unitsNOAA APT frequencies and so on here
NOAA 15 - 137.6200 MHz NOAA 18 - 137.9125 MHz NOAA 19 - 137.1000 MHz
