RM024 Series
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RM024 Developer Kit, Pluggable, 3.3V TTL Serial, 10 mW, Multiple Antennas, CE Approved


Antenna Options
Multiple antennas
Antenna Type
42 selectable channels
Chipset (Wireless)
TI CC2510
Data Rate
280 kbps or 500 kbps selectable
Frequency Range (Max)
2483 MHz
Frequency Range (Min)
2402 MHz
Input Power
2.3 - 3.6 V - 50 mV ripple
Logical Interfaces
Network Architecture
Configuration and Test Software
Output Power
10 mW
Power Consumption (Rx)
36 mA
Power Consumption (Tx)
40 mA
Product Type
Development Kit
FHSS Wireless Protocol
Outdoor: 0.6 miles(1.0km). Indoor: 328 ft(100m)
Receive Sensitivity
-95 dBm at 280 kbps RF Data Rate
Laird Configuration Utility
System Architecture
Proprietary RF (2.4 GHz)
Transmit Power (Max)
+3.5 to +10 dBm
Wireless Specification
2.4 GHz FHSS

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What can I do to minimize current consumption and optimize battery life in my LT1110/RM024 application?

The RM024 and LT1110 provide a couple of options for reducing power consumption for applications which will required the radio to operate on battery power:


  1. Cyclic Sleep Mode can be enabled on a client radio which causes the radio to sleep for a programmable period of time and wake for a programmable period of time. For additional information see the Application Note: Cyclic Sleep Mode available from the RM024 Product Page. While there is currently not an Application Note written specifically for the LT1110, the process is the same for both modules so the RM024 Cyclic Sleep App Note can be referenced for both modules.
  2. Deep Sleep Modes (PM2 & PM3): The OEM host can issue the Enter Deep Sleep Command, as outlined in the modules User Guide to minimize current draw: RM024 User Guide - Section 4.2.3 Enter Deep Sleep LT1110 User Guide - Utility Commands Section - Deep Sleep


While in Deep Sleep Mode the processor has all interfaces disabled, including RF and Serial. Two sleep modes are supported: PM2, and PM3:

  • PM2: The radio can either be awakened by the Sleep Interrupt Pin (Force 9600), by a Hard Reset, or when the sleep timer, which is configured with the command, expires.
  • PM3: The module can only be awakened by the Sleep Interrupt pin (Force 9600). The sleep timer is not active in PM3 and the bytes controlling the timer are disregarded and can be omitted from the command.


Additional considerations for maximizing battery life:

  • Adding power control so you can programmatically disable VCC to the radio.
  • Consider reducing the transmit power - test with lower transmit powers in sites typical of end user experience to see if this is an option.
  • Where applicable, consider buffering data to create larger packets of RF data rather than sending several smaller packets. 
  • Holding the processor in Reset using the Reset pin will NOT enable a Low Power Mode


How do I return my ConnexLink Radio, AC4490/AC4790, RM024, LT1110 radio to its default settings?

In order to return the radio to its default EEPROM settings it is necessary to load a previously saved file containing the default settings to the Configuration Utility and write the changes to the radio. If you did not save the default settings to a file, prior to changing the settings, please contact Laird Support through the Support Portal to request a file with the default settings for the purpose of restoring the radio to its default configuration.

The "Show Default" settings view in the Laird Configuration and Test Utility should NEVER be written to the radio, as these are for reference ONLY. Writing these to the radio can result in corrupting the radio to a point where it can become unrecoverable. After viewing the "Show Default" settings, the radio settings should always be READ again, prior to writing any changes to the radio, to prevent this from occurring.

Can I get true full duplex operation from the RAMP products (RM024, AC4490, AC4790, LT1110, CL4490, CL4790)?

In the Laird RAMP line of products there is a feature called Full Duplex that leads one to believe they can talk upstream and downstream simultaneously. This is not the case, Full Duplex in the RAMP products gives a dedicated slot within the frame to the Server or Initiator and the second slot or next frame to the Client or Responder.