ARF7429A ADEUNIS, ARF7429A Datasheet - Page 15

• 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

Transceiver operating mode
Two operating modes are available :
1.
2.
At power up the transceiver is in transceiver mode: it is able to send / receive
data to / from the radio link according to its current parameter configuration.
Command mode
The command mode is used to read and update the modem configuration
registers using AT command.
N
The AT command can be locked using ATPWD command.
In command mode, the radio is inhibited (reception and transmission),
excepted when using test command.
Entering command mode :
sequence of 3 consecutive + characters is accepted only if no character have
been seen before and after the +++ sequence. Register (S214) defines the
silence duration.
Tips 1:
the +++ sequence using a text file (first create a text file containing only the
+++ characters, and then use in Hyperterm the command “Send text file” in
the “Transfer menu”)
Tips 2:
Ref. 08-07-V6-lmn
RXD
line
OTE
Command mode (usage of AT commands)
Transceiver or normal mode (serial data are transmitted on radio link)
Idle line for S214
if you are using a terminal (such as Hyperterm), you have to send
duration
TRANSCEIVER MODE
+
+++ (consecutive)
issues on the serial link a +++ sequence. The
+
+
Idle line for S214
duration
A
RF54
COMMAND
MODE
User Guide
p. 13
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