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9XTend? ? OEM ? RF ? Module ?‐? Product ? Manual ? v2.x4x ? [2007.01.04]
KY (AES Encryption Key) Command
<Networking & Security> The KY command is
used to set the 256-bit AES (Advanced Encryption
Standard) key for encrypting/decrypting data.
Once set, the key cannot be read out of the mod-
ule by any means. The entire payload of the
packet is encrypted using the key and the CRC is
computed across the ciphertext. When encryption
is enabled, each packet carries an additional 16
bytes to convey the random CBC Initialization
Chapter ? 3 ?‐? RF ? Module ? Configuration
AT Command: ATKY
Binary Command: 0x3C (60 decimal)
Parameter Range:
0 - (any other 64-digit hex valid key)
Default Parameter Value: 0 (disabled)
Number of bytes returned: 2
Number Base: Always Hexadecimal
Vector (IV) to the receiver(s). The KY value may
be “0” or any 256-bit value (= 64 hex digits = 32 bytes). Any other value, including entering ATKY
by itself with no parameters, causes an error.
A module with the wrong key (or no key) will receive encrypted data, but the data driven out the
serial port will be meaningless. Likewise, a module with a key will receive unencrypted data sent
from a module without a key, but the output will be meaningless. Because CBC mode is utilized,
repetitive data appears differently in different transmissions due to the randomly-generated IV.
LH (Wake-up Initializer Timer) Command
<Sleep (Low Power)> The LH Command is used
to set/read the duration of time during which the
wake-up initializer is sent. When receiving mod-
ules are in Cyclic Sleep Mode, they power-down
after a period of inactivity (as specified by the ST
parameter) and will periodically wake and listen
for transmitted data. In order for the receiving
modules to remain awake, they must detect
~35ms of the wake-up initializer.
LH Command must be used whenever a receiving
AT Command: ATLH
Binary Command: 0x0C (12 decimal)
Parameter Range: 0 - 0xFF
[x 100 milliseconds]
Default Parameter Value: 1
Number of bytes returned: 1
Related Commands: HT (Time before Wake-up
Initializer), SM (Sleep Mode), ST (Time before
Sleep)
module is operating in Cyclic Sleep Mode. The
Wake-up Initializer Time must be longer than the cyclic sleep time that [as determined by SM
(Sleep Mode) parameter]. If the wake-up initializer time were less than the Cyclic Sleep interval,
the connection would be at risk of missing the wake-up initializer transmission.
Refer to figures loated under the SM command description to view diagrams of correct and incor-
rect configurations. The images emphasize that the LH value must be greater than the SM value.
MD (RF Mode) Command
<Networking & Security> The MD command is
used to select/read the settings that enable the
Polling and Repeater Modes on the module.
Polling Mode - A ‘Polling Base’ is responsible for
polling remotes. A ‘Polling Remote’ requires a poll
AT Command: ATMD
Binary Command: 0x31 (49 decimal)
Parameter Range: 0 - 6
Parameter Configuration
in order to transmit.
Repeater Mode - A ‘Repeater’ re-sends RF data
unless the transmission is addressed to it or if the
transmission has already been detected. A
‘Repeater End Node’ handles repeated messages,
but will not repeat the message over-the-air.
0
1
2
3
4
Transparent Operation
(Repeater Base)
[reserved - not used]
[reserved - not used]
Polling Base
Polling Remote
Refer to the Polling and Repeater Mode sections of
the ‘RF Communication Modes’ chapter for more
information.
? ? 2007 ? MaxStream, ? Inc.
5 Repeater
6 Repeater End Node
Default Parameter Value: 0
Number of bytes returned: 1
Minimum Firmware Version Required: 2.x20
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相关代理商/技术参数
XT09-MI-MESH
功能描述:射频模块 9XTend, 1W Trnsvr MMCX,115000bps,Mesh
RoHS:否 制造商:Linx Technologies 产品:Transceiver Modules 频带:902 MHz to 928 MHz 输出功率:- 15.5 dBm to + 12.5 dBm 接口类型:UART 工作电源电压:- 0.3 VDC to + 5.5 VDC 传输供电电流:38.1 mA 接收供电电流:22.7 mA 天线连接器类型:U.FL 最大工作温度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm
XT09MINA
制造商:DIGI 功能描述:New
XT09-MI-NA
功能描述:射频模块 9XTend 1W transceiv encryption 9600 bps
RoHS:否 制造商:Linx Technologies 产品:Transceiver Modules 频带:902 MHz to 928 MHz 输出功率:- 15.5 dBm to + 12.5 dBm 接口类型:UART 工作电源电压:- 0.3 VDC to + 5.5 VDC 传输供电电流:38.1 mA 接收供电电流:22.7 mA 天线连接器类型:U.FL 最大工作温度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm
XT09-MT
功能描述:射频模块 9XTend 1W transceiv onnector 115000 bps
RoHS:否 制造商:Linx Technologies 产品:Transceiver Modules 频带:902 MHz to 928 MHz 输出功率:- 15.5 dBm to + 12.5 dBm 接口类型:UART 工作电源电压:- 0.3 VDC to + 5.5 VDC 传输供电电流:38.1 mA 接收供电电流:22.7 mA 天线连接器类型:U.FL 最大工作温度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm
XT09-PKC-U
功能描述:射频模块 9XTend 1W USB w/o accessories
RoHS:否 制造商:Linx Technologies 产品:Transceiver Modules 频带:902 MHz to 928 MHz 输出功率:- 15.5 dBm to + 12.5 dBm 接口类型:UART 工作电源电压:- 0.3 VDC to + 5.5 VDC 传输供电电流:38.1 mA 接收供电电流:22.7 mA 天线连接器类型:U.FL 最大工作温度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm
XT09-PKC-UA
功能描述:射频模块 900Mhz XTend 1W UBS 256-bit AES Encryp
RoHS:否 制造商:Linx Technologies 产品:Transceiver Modules 频带:902 MHz to 928 MHz 输出功率:- 15.5 dBm to + 12.5 dBm 接口类型:UART 工作电源电压:- 0.3 VDC to + 5.5 VDC 传输供电电流:38.1 mA 接收供电电流:22.7 mA 天线连接器类型:U.FL 最大工作温度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm
XT09-PKC-UA-NA
功能描述:射频模块 9XTend 1W USB w/accessories no AES
RoHS:否 制造商:Linx Technologies 产品:Transceiver Modules 频带:902 MHz to 928 MHz 输出功率:- 15.5 dBm to + 12.5 dBm 接口类型:UART 工作电源电压:- 0.3 VDC to + 5.5 VDC 传输供电电流:38.1 mA 接收供电电流:22.7 mA 天线连接器类型:U.FL 最大工作温度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm
XT09-PKC-U-NA
功能描述:射频模块 9XTend 1W USB w/o accessories Intl
RoHS:否 制造商:Linx Technologies 产品:Transceiver Modules 频带:902 MHz to 928 MHz 输出功率:- 15.5 dBm to + 12.5 dBm 接口类型:UART 工作电源电压:- 0.3 VDC to + 5.5 VDC 传输供电电流:38.1 mA 接收供电电流:22.7 mA 天线连接器类型:U.FL 最大工作温度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm