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RAMP ISM Modules

Laird Technologies RAMP ISM (Range Amplified MultiPoint) modules are designed to provide robust wireless communications for any number of applications requiring a wireless transport for serial data. RAMP ISM modules feature a Frequency Hopping Spread Spectrum (FHSS) protocol for excellent interference and multipath immunity. RAMP ISM modules Server/Client architecture allows for more than 16 million clients to be addressed and communicating within the network.

RM024

The RM024 RAMP ISM modules is a 2.4GHz FHSS embedded module with high output power and low receiver sensitivity for long range operation, intelligent sleep modes for long range battery life and switchable antenna options for integrated and external antennas. The RM024 is available in two versions, one with 125 mW maximum conducted output power and approved for North American and similar markets and one with 10 mW maximum conducted output power and approved for European and similar markets. These modules are identical except for output power, transmit power consumption, and the number of RF Channels available. Differences between the two versions, where applicable, will be denoted based on part number. Enhanced API commands provide packet routing control and network intelligence. With its field-proven FHSS air interface protocol, the RM024 rejects RF noise, excels in multipath scenarios, allows for co-located systems, and provides an extremely reliable communication link. It also provides a more robust, but simpler, link than ZigBee for RF applications that do not require a mesh topology.

With a throughput of up to 500 Kb/s, RM024 delivers speedy data rates. In addition, variable output power options (up to +21 dBm) enable communication over distances that aren’t achievable with competing technologies. At the same time, a range of ultra-low power modes plus low Tx/Rx power consumption make the RM024 ideal for power-restrictive or battery-operated applications. The mini SMT package is well-suited for space-constrained designs and is available in pick-and-place packaging for volume manufacturing.




RM024 Features

 
  • Retries and acknowledgements
  • Configurable network parameters
  • Multiple generic I/O
  • 280 kbps of 500 kbps RF data stream
  • Idle current draw of 9.5 mA, sleep current of 50 uA
  • Software selectable interface baud rates from 1200 bps to 460.8 kbps
 
  • Upgradable FW through serial port
  • Low cost, low power, and small size ideal for high volume, portable, and battery power applications
  • All modules are qualified for an industrial temperature range (-40°C to 85°C)
  • Advanced configuration available using AT commands
  • Easy to use Configuration & Test Utility software
  • Switchable antenna output, either integrated antenna or external antenna through U.FL
 



RAMP Overview  

What is RAMP?
5:16
Watch Video
 

General 

Form Factor SMD-ANT+U.FL, Pluggable-ANT+U.FL, SMD-U.FL, Pluggable-U.FL
Antenna External antenna through U.FL connector or dual antenna with integrated antenna and U.FL
Serial Interface Data Rate Baud rates from 1200 bps to 460800 bps. Non-standard baud rates are also supported
Channels FCC: 43 or 79 selectable channels, CE: 43 selectable channels
Security Channelization, System ID, and Vendor ID
Minimum, Flash (EEPROM) Memory Endurance 1000 Write/Erase Cycles

Transceiver 

Frequency Band 2400 - 2483.5 MHz
RF Data Rate (Raw) 280 kbps or 500 kbps selectable
Hop Bin Spacing 900 kHz over 79 hops, 1500 kHz over 43 hops
RF Technology Frequency Hopping Spread Spectrum
Modulation MSK
Maximum Output Power Conducted FCC: +5 to +21 dBm selectable, CE: +3.5 to +18 dBm selectable
Supply Voltage 2.3 – 3.6 V ± 50 mV ripple
Current Draw 100% Tx 166 mA 85 mA
*NOTE: Current draw is for FCC version only 1/8 Tx (when selected) 40 mA 40 mA
  100% Rx 36 mA 36 mA
  Rx average (idle current) 9.5 mA 11.6 mA
  Deep Sleep 50 μA 50 μA
Receiver Sensitivity (1% PER) -95 dBm at 280 kbps RF Data Rate, -94 dBm at 500 kbps RF Data Rate
Range (based on external 2.0 dBi antenna at 280 kbps RF Data Rate)   Outdoor (line-of-sight) Indoor (estimated)
  FCC 2.5 miles (4 km) 1300 ft (400 m)
  CE 1.5 miles (2.4 km) 790 ft (240 m)

Environmental 

Temperature (Operational) -40ºC to 85ºC    
Temperature (Storage) -50ºC to 150ºC    

Physical 

SMD-Multi Antenna Dimensions 1.0” x 1.54” x 0.14” (25.4 mm x 39 mm x 3.6 mm)
SMD-U.FL Dimensions 1.0” x 1.28” x 0.14” (25.4 mm x 32.4 mm x 3.6 mm)
Pluggable-Multi Antenna Dimensions 1.05” x 1.56” x 0.44” (26.7 mm x 39.6 mm x 11.3 mm)
Pluggable-U.FL Dimensions 1.05” x 1.29” x 0.42” (26.7 mm x 33 mm x 10.6 mm)

Part Listing 

PART NUMBER FORM
FACTOR
MAXIMUM Tx POWER ANTENNA EEPROM PRODUCT ID
RM024-S125-C-01 SMT 125 mW U.FL Jack RM024125C01
RM024-S125-M-01 SMT 125 mW Chip Antenna RM024125M01
RM024-P125-C-01 Pluggable 125 mW U.FL Jack RM024125C01
RM024-P125-M-01 Pluggable 125 mW Chip Antenna RM024125M01
RM024-S50-C-01 SMT 10 mW (CE) U.FL Jack RM02450C01
RM024-S50-M-01 SMT 10 mW (CE) Chip Antenna RM02450M01
RM024-P50-C-01 Pluggable 10 mW (CE) U.FL Jack RM02450C01
RM024-P50-M-01 Pluggable 10 mW (CE) Chip Antenna RM02450M01

RM024 Software Downloads

Contact Support to access RM024 Firmware files.


The RM024 is certified for compliance to regulatory and Bluetooth Special Interest Group (SIG) standards and specifications. Laird customers can leverage the grants, approvals, and formal test reports associated with these certifications to achieve required device certifications; for details, consult the information below. For additional guidance, contact the wireless certifications group via email.




CE / ETSI

RM024-x10-x version modules have been tested for compliance to various CE and ETSI standards and specifications:

  • EN 301 489-1 v1.9.2
  • EN 301 489-3 v1.5.1
  • EN301 489-17 v2.1.1 
  • EN 300 328 v1.7.1

These formal test reports may be leveraged by mobile and portable device vendors as part of their self-declaration to obtain the CE mark required by members of the European Union. ETSI/CE rules differ from those of the FCC and IC in that there is no provision for a modular approval. All approvals and certifications must exist at the device level rather than the module (radio) level.

The RM024 is fully compliant with Annex IV procedures in article 10.5 of R&TTE directive 99/5/EC.

The RM024 is fully compliant with European Union Directive 2003/95/EC or Reduction of Hazardous Substances (RoHS) as per our Declaration of Compliance. Click to view the Statement of Compliance to EU WEEE Directive and RoHS Directive.




FCC

Laird has received the following FCC grants for the RM024: 

  • RM024 - FCC Part 15 Subpart C

This grant is a Single Modular approval. Specific limitations are indicated on the grant.

The RM024 are approved for mobile and fixed applications.




Industry Canada

The RM024 is certified for compliance to the Industry Canada (IC) RSS-210 (Issued 19 October 2012) standard. IC 6616A-certification is based on FCC certification testing, using the same antennas and transmit power and covering the same frequency bands. 

  • RM024 Industry Canada Certificate  



Japan RF

The RM024 is certified for compliance to the Japan RF ARIB STD-T66 standard.




Bluetooth SIG

The RM024 is fully Bluetooth SIG qualified as END products. View the listing on the Bluetooth SIG website, here. For more information visit the Bluetooth SIG website, here.

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