AC4486-5M Laird Technologies, AC4486-5M Datasheet - Page 23

TXRX 868MHZ 3V TTL 5MW RS232

AC4486-5M

Manufacturer Part Number
AC4486-5M
Description
TXRX 868MHZ 3V TTL 5MW RS232
Manufacturer
Laird Technologies
Series
AeroCommr
Datasheets

Specifications of AC4486-5M

Frequency
868MHz
Data Rate - Maximum
115.2kbps
Modulation Or Protocol
FSK
Applications
AMR, Gaming Devices, Inventory Tracking
Power - Output
5mW
Sensitivity
-100dBm
Voltage - Supply
3.3V
Current - Receiving
30mA
Current - Transmitting
40mA
Data Interface
Connector, 2 x 10 Header
Antenna Connector
MMCX
Operating Temperature
-40°C ~ 85°C
Package / Case
Module
Board Size
49 mm x 42 mm x 5 mm
Output Power
5 mW
Antenna
External MMCX Connector
Frequency Rf
869.65MHz
Transmit Power
5mW
Interface Type
Serial
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AC4486-5M
Manufacturer:
Laird Technologies Wireless M2
Quantity:
135
AC4486 Specifications
4.4.3 EEPROM Exit Configuration Mode Command
The OEM Host can cause the transceiver to exit Configuration Mode by issuing the Exit Configuration
Mode command to the transceiver. However, the transceiver will not reflect any of the changes
programmed into the EEPROM until the transceiver is reset.
Host Command:
Transceiver Response:
4.5 AC4486 AT C
The AT Command mode implemented in AC4486 firmware version 3.2 and higher creates a virtual
version of the Command/Data line. The Enter AT Command mode command asserts this virtual line
Low (to signify Command mode) and the Exit AT Command mode command asserts this virtual line
High (to signify Data mode). Once this line has been asserted Low, all on-the-fly CC Commands
documented in the manual are supported.
When in AT Command mode, the transceiver will maintain synchronization with the network, but RF
packets will not be received. However, an ambiguity of approximately 10ms exists where, if the Enter
AT Command mode command has been sent to the transceiver at the same time an RF packet is
being received, the RF packet could be sent to the OEM Host before the Enter AT Command mode
command response is sent to the host.
4.5.1 Enter AT Command Mode
Prior to sending the Enter AT Command mode command to the transceiver, the host must ensure that
the RF transmit buffer of the transceiver is empty (if the buffer is not empty, the Enter AT Command
Mode command will be interpreted as packet data and transmitted out over the RF). This can be
accomplished by waiting up to one second between the last transmit packet and the AT Command.
The host must also ensure that the Fixed Packet Length for the transceiver is set to a minimum of six.
The Enter AT Command Mode command is as follows:
Host Command:
Transceiver Response:
01/21/05
Byte 1 = 56h
Byte 1 = 56h
AT+++↵
Hexadecimal Representation of the Command:
41h, 54h, 2Bh, 2Bh, 2Bh, 0Dh
CCh COM
Hexadecimal Representation of the Command:
CCh, 43h, 4Fh, 4Dh
OMMANDS
23

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