ARF7429A ADEUNIS, ARF7429A Datasheet - Page 18

• Manufacturer Part Number: ARF7429A
• Description: MODULE, ARF54, EURO
• Manufacturer: ADEUNIS
• Type: Modem Moduler

Specifications of ARF7429A

• Modulation Type: FM
• Data Rate Max: 57.6Kbps
• Frequency Range: 869.4MHz To 869.65MHz
• Sensitivity: -110dBm
• Supply Voltage Range: 3V To 3.6V
• Supply Current: 700mA
• Rohs Compliant: Yes

link, the radio frame will be discarded and the RS232 incoming data will be
processed).
Processing incoming RS232 data : the incoming RS232 data are
internally buffered. The buffered data are sent in a radio frame (the RF
modulation is started) when almost one of the following conditions occurs:
incoming serial flow (no more data to be sent).
characters are equal or greater than the S218 size).
Processing incoming radio frame : the valid data are extracted from the
incoming radio frame and internally buffered. The buffered data are sent on
the fly to the RS232 module output.
AT COMMANDS
Description
AT commands are interpreted only when the transceiver is in
Command mode.
Command : are used to read and update the modem parameters
Response: is sent back for each command on the serial link. The answer is:
Ref. 08-07-V6-lmn
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if a break (silence greater than S217 timeout) is detected on the
if the radio buffer size is reached (the number of buffered
A command starts with the 2 ASCII ‘AT’ characters. ‘AT’ means
‘Attention’ follow with one or several characters or other data.
Each command is ended with <cr> (carriage return).
In the same command, the time between 2 characters must be less
than 10s.
‘O’<cr> (ASCII character 0x4F) for accepted command (or OK
command)
‘E’<cr> for error
Specific string when specified
A
RF54
User Guide
p. 16
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