User's Manual
SD250NTG–USERGUIDE
April4,
2011
MidlandRadioCorporation
4
Description of modem
The SD250NTG has been designed to be used in an advanced, highly robust,
two-way fixed base meter reading solution that delivers comprehensive usage
information through a secure, long-range wireless network.
The SD250NTG is a network free, point to point RF data modem that offers great
flexibility in varied applications where wireless data is needed. The modem
supports 7,200 baud GMSK modulation over the narrow band channel spacing,
12.5 KHz, and high speed data communication through RS 232 serial port.
The internal modem allows communication with a pc using RS 232 for the data
and control lines. For further details, please refer to the mini-collector manual.