RM Family

High performance, standards compliant, HF and VHF / UHF data modems for strategic, naval and commercial platforms.

The RM Product Family is engineered for users who require high performance best-in-class products that fully comply with the current standards for satellite independent beyond line of sight (BLOS) strategic, maritime, narrowband and wideband HF and VHF/UHF data communications. The RM products provide excellent environmental specifications with respect to temperature, shock & vibration and MTBF.

The family includes HF and VHF/UHF Data Modems (conforming to MIL-STD-188-110A, MIL-STD-188-110B, MIL-STD-188-110C – wideband HF, STANAG 5069, 4285, 5065, 4529, 4415, 4539 and 4691), Automatic Link Establishment (ALE) functions for 2G ALE (conforming to MIL-STD-188-141A, MIL-STD-188-141B and MIL-STD-188-141C),  Automatic Link Establishment (ALE) functions for 3G ALE (conforming to STANAG 4538 FLSU) and 3G Packet Data Modems (conforming to STANAG 4538 xDL). The RM family modems provide data services in satellite denied environments.

Products in the RM Family forms part of the Naval and Strategic as well as the Governmental and Security divisions.

Products at a glance

RM10 Wideband SDM & ALE – 24 kHz

The RM10 HF Modem & ALE – 24kHz follows in the footsteps of the RM8 offering MIL-STD-188-110C (24 kHz, 120 kbps) waveform and the 4G ALE (WALE) capability – software option. The RM10’s small size, shock and vibration tolerance, low power consumption and high temperature range is aimed at integration into crowded cabinets. With WB HF spectrum at a premium, this modem affords System Integrators a price competitive entry into the WBHF arena.

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RM8 Software Defined Modem & ALE – 3, 6 kHz
RM8 Software defined Modem Modem & ALE Controller | 2G ALE & 3G ALE / STANAG 4538

The aim at RapidM with the RM8 was to become the global benchmark for the 3G ALE / STANAG 4538 standard. This unit finds service in many HF systems including NATO BRASS and BRE1TA split-site shore stations. The code base in this unit is embedded in numerous high-power HF transceivers. These ½ of 1U format products are also available as quad versions to save space in the cabinet.

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RM6-A Data Modem & ALE Controller
RM6-A Data Modem & ALE Controller

When we designed the RM6-A at RapidM, the aim was to establish a reference in quality and performance, improving on its predecessor the RM6. That is why this modem has become the true workhorse of narrowband (3 kHz) HF BLOS data communication systems and finds service in numerous maritime and NATO naval systems.

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RM6 LF & HF Modem & ALE Controller
RM6 Isometric View

The now discontinued RM6 was developed to provide its user with the best performing 3kHz HF BLOS modem of its time. The STANAG and MIL-STD compliant modem is intended for use in maritime and NATO naval systems. The RM6 is now superseded by the RM6-A Data Modem & ALE Controller.

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RM4 HF Modem & ALE Controller

The RM4 is intended for users needing a 19″ rack mountable HF modem at a lower cost compared to the RM6-A. The modem and ALE controllers pairs with RapidM’s RC50 Email Software to provide standards compliant HF email service.

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RM2 HF & V/UHF Data Modem
RM2 HVM Modem

The RM2 was designed for governmental agencies and NGO’s requiring standards compliant HF email service. This compact modem offers BLOS HF data modem and 2G ALE capacities as well as a VHF data modem for faster email delivery over LOS VHF channels.

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Product Comparison


RM8 Software defined Modem Modem & ALE Controller RM6-A Data Modem & ALE Controller RM6 Isometric View RM2 HVM Modem
RM Family Products Comparison RM10 Wideband SDM & ALE – 24 kHz RM8 Software Defined Modem & ALE – 3, 6 kHz RM6-A Data Modem & ALE Controller RM6 LF & HF Modem & ALE Controller RM4 HF Modem & ALE Controller RM2 HF & V/UHF Data Modem

Use

Naval & Strategic        
Government & Security        
Industrial/Commercial            

Installation

19″ Rack Mount          
Desktop            

HF Modems and Protocols (MIL-STD / STANAG)

Wideband HF Data Modem (MS110C, 3 – 24 kHz)  
HF Data Modem up to 19200 bps (2×3 kHz, 2-ISB)   [ ] [ ] [ ]
HF Data Modem up to 9600 bps (3 kHz, SSB)            
4G ALE / WALE (141D, 3 – 24 kHz) [ ]
3G ALE (S4538 FLSU) [ ] [ ]
3G Packet Data (S4538 xDL) [ ] [ ]
3G Packet Data (S4538 HDL+) – [Not USA] [ ] [ ]
2G ALE [ ] [ ] [ ] [ ] [ ] [ ]

V/UHF Modems and Protocols (MIL-STD / STANAG)

S4691-B MARLIN (24 kHz) [ ]

V/UHF Modems (Proprietary)

RapidM V/UHF Modem CL9 up to 128 kbps (24 kHz) [ ]
RapidM V/UHF Modem LITE up to 128 kbps (24 kHz) [ ] [ ]

Use with (see RC product family)

RC10 ARQ Server and IP Controller        
RC8 S5066 ARQ Server and IP Gateway      
RC66 Communications Suite (S5066 Email, IP Client)        
RC50 Email Software (S5066 Email)    

Interfaces

Local Control (Screen & Keypad)        
DTE Sync., Std. and High-speed Async. Modes          
DTE RS-422 (balanced) and RS-423/RS-232 (unbalanced)          
Data RS-232 (RX, TX, RTS, CTS, DCD)  
Data Std. and High-speed Async. Modes  
Data Ethernet        
Data/Control (Combined) Ethernet    
Remote Control Ethernet        
Remote Control RS-422        
Remote Control RS-485          
Remote Control RS-232            
Remote Control Protocol: RAP1/RIPC            
Remote Control Protocol: ASCII S5066 Annex E        
Radio Audio: 1 Radio    
Radio Audio: 2 Radios        
Radio Control: 1 Radio, RS-232    
Radio Control: 2 Radios, RS-232        
Radio Ethernet  
Auxiliary Audio        
External GPS (RS-232) and PPS In          
GPS Antenna (MCX), Internal Receiver [ ] [ ]  

Security

External Bulk Crypto Support          

Power

AC Input          
DC Input [ ] [ ] [ ]    
DC Power from Radio  

Availability Status

Available        
Replacement & Spares Only    

[ ] = Option