RM024 User Manual
Version 2.3
Americas: +1-800-492-2320 Option 2
Europe: +44-1628-858-940
Hong Kong: +852-2923-0610
www.lairdtech.com/wireless
62
CONN-GUIDE-RAMP24-0413
New Features:
Antenna Select: Address 0xC1, bit 5. 0==Chip Antenna, 1==u.FL. Default varies by product. The RM024
modules are available with two antenna configurations: chip antenna and u.FL. This mode permits the user to
select which port is to be used. Note that, while the software allows this mode to be used on any RM024
product, it does not verify that the selected antenna option is present on the hardware platform.
FW1.3-0
Initial Production Release
See Release notes for complete details
Corrected Issues:
TX Broadcast: if the radio was in TX Broadcast mode, the 0xCC 0x10 (Write Destination Address on-
the-fly) was unable to shift the device out of broadcast and into addressed mode. This has been
corrected in this version
Firmware Corruption: v1.0-1 introduced a memory leak that presented the opportunity for the module
to get into an unrecoverable and inoperative state. This has been corrected in this version.
RF Performance: v1.0-1 was found to have protocol inefficiencies that resulted in a higher number of
missed RF acknowledgements and shorter packets to be sent per RF packet. This has been improved
Vendor ID: Vendor ID was found to not be functional in v1.0-1. This has been corrected in this release
New Features:
Antenna Select Override: Antenna Select Override can be enabled to cause “C” products to ignore the
Antenna Select setting and automatically select the u.FL connector.
Cyclic Sleep: This causes the radio to sleep for a programmable period of time and wake for a
programmer period of time.
Known Issues:
Antenna Select Override: This feature does not work properly in the current release. Enabling this
feature in the affected products has no negative affect other than the mode not working. The bug has
been corrected and will be made available in a future release. Contact tech support for details. The
following products are affected by this bug:
-
RM024-S50-C-01
-
RM024-S50-M-01
-
RM024-P50-C-01
-
RM024-P50-M-01
Sleep (PM2): In PM2, the intent is that the Client should be able to sleep for tens of minutes and
maintain frequency hop synchronization with the Server when it wakes. Currently, PM2 is using a static
calibration that permits the Client to maintain synchronization with the Server for roughly 2 minutes.
Future releases will include a dynamic, unobtrusive calibration algorithm to permit much longer PM2
times while successfully maintaining synchronization. Sleeping for longer than 2 minutes using the
current release of firmware could result in the Client losing sync with the Server upon waking; thus
requiring the Client to sync with the Server again (it takes 500ms for this to occur on average).
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from