AT commands Firmware commands
XBee®-PRO 900HP/XSC RF Modules
112
Default
Set in firmware
HV (Hardware Version)
Display the hardware version number of the device.
Parameter range
0 - 0xFFFF [read-only]
Default
Set in firmware
HS (Hardware Series)
Read the device's hardware series number.
For example, if the device is version S8B, this returns 0x801.
Parameter range
0 - 0xFFFF [read-only]
Default
Set in the firmware
DD (Device Type Identifier)
Stores the Digi device type identifier value. Use this value to differentiate between multiple XBee
devices.
If you change DD, RE (Restore Defaults) will not restore defaults. The only way to get DD back to
default values is to explicitly set it to defaults.
Parameter range
0 - 0xFFFFFFFF
Default
0xB0000
NP (Maximum Packet Payload Bytes)
Reads the maximum number of RF payload bytes that you can send in a transmission.
Using APS encryption (API transmit option bit enabled), reduces the maximum payload size by 9 bytes.
Using source routing (AR < 0xFF), further reduces the maximum payload size.
Note NP returns a hexadecimal value. For example, if NP returns 0x54, this is equivalent to 84 bytes.
Parameter range
0 - 0xFFFF (bytes) [read-only]
Default
0x100
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