User's Manual

Shenzhen Friendcom Technology Development Co., Ltd.
3.2 4FSK Modem
4FSK high speed modem are applied to the FC-302V data radio to increase capability for data application.
modem is to improve the efficiency for data transmission and provide maximum flexibility for user
application.
FC-302-4FSK modem
3.2.1 Modem specifications
4 Application Instruction
Functions of PC(Personal Computer) software, hereafter called “FC-302 QuickSet v0.1.12 ”, will be illustrated.
Main goal of this instruction is to save time for user by supporting exact usage of the software, at the same time,
give a help to user who wants to utilize the radio for another applications. This programming software enables
the various parameters of FC-302V to be read, modified, programmed and printed.
Items 4FSK Remark
Power supply DC 12V
Serial data rate (bps) 9600
Symbol Frequency (KHz)
2400
Symbol frequency is 2400KHz when
the data rate is 9600bps.
Air data rate (bps) 9600
Serial port updating
Y
Interaction with radio mainboard Y
Program the radio’s parameters by
modem via AT command
AT command Y Refer to the Appendix
Interface level Y
Hardware jumper resistor, support
RS485/RS232/TTL, Factory default is
RS232.
7