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IP67 Ultra Remote Speaker Microphone (Ultra RSM)

With environmental sealing and a tough, polycarbonate shell, the rugged Ultra RSM (Remote Speaker Microphone) features Water Porting® to deliver outstanding all-weather performance and superlative audio, no matter how harsh the conditions.

The rich feature set delivers unrivalled access to a belt-worn or otherwise concealed Sepura handset, with multiple PTT, volume, emergency and softkeys. Its ergonomic design ensures unobstructed operation, even with gloved hands or in poor light.

The IP67 Ultra RSM has all the features of the IP67 Ultra CSM, except talk group rotary control.
  • IP67
  • TETRA

Technical specifications

Dimensions (body only, WxLxD) 74x129x36mm

Weight 243g

Cable length (nominal) 550mm

Cable length (extended) >1550mm

Cable pull strength 50N min. applied axially

Bend strength 50,000 bend cycles

Material polycarbonate

Flammability rating UL-94 V0 (body, cable & strain relief)

Product options

RSM Options
RSM Options Part no.
IP67 Ultra RSM (with Heavy Duty Large Clip) 300-01124
IP67 Ultra RSM Peltor Interface (with Heavy Duty Large Clip) 300-01153
Protective Bezels
Protective Bezels Part no.
PTT Protective Bezel (black), pack of 10 300-01150
PTT Protective Bezel (blue), pack of 10 700-00637
PTT Protective Bezel (red), pack of 10 700-00638
PTT Protective Bezel (yellow), pack of 10 700-00639
PTT Extenders
PTT Extenders Part no.
Ultra CSM/RSM PTT Extender (grey) 300-01918
Ultra CSM/RSM PTT Extender (yellow) 300-01919
Clips
Clips Part no.
Heavy Duty Large Clip (included with Ultra CSM as standard) 300-01151
Compact Rear Clip 300-01363

Related accessories

PTT Extender

  • Other

For certain markets, particularly the fire sector, it has been found that an extended PTT button is required to enable access of the PTT switch when the CSM/RSM is worn under protective clothing. To assist with this we offer an extended PTT assembly which attaches to the CSM/RSM housing.

  • TETRA

STP8X Skull Microphone

  • Audio

This compact microphone fits easily into most helmet types to provide hands-free communication in hazardous conditions. The unit consists of a bone-conducting microphone and a small speaker which attaches to the radio via the STP8X Advanced RSM or the STP8X large-button PTT, and is terminated with a four pole, NEXUS jack plug. Part no. 300-00855

  • ATEX
  • TETRA

STP8X Throat Mic Headset

  • Audio

Ideal for use in noisy environments, this throat microphone includes an earpiece attachment and can be used either with the STP8X Advanced RSM or a chest-mounted, STP8X large button PTT. Designed for comfort, the microphone assembly is attached with an adjustable, soft fabric strap with quick release. Part no. 300-00851

  • ATEX
  • TETRA

RSM Klick Fast Stud

  • Carrying

The Klick Fast Stud allows a Remote Speaker Microphone (RSM) to be securely attached to a body vest or other clothing with easy removal when needed. Part no. 5-30051

  • 4G/5G
  • Hybrid TETRA and 4G/5G
  • TETRA

Lanyard

  • Carrying

Attaches to the fixing loop on the side of the radio. Supplied in packs of 10. Can be attached to SRH, STP and SC2 hand-portable radios, as well as the Ultra RSM and Ultra CSM. Part no. 300-00013

  • TETRA
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Compatible devices

sepura sc20 device

SC20

  • Hand Portable

The SC20 is a resilient, intelligent, and rugged hand-portable device with extensive TETRA capabilities, offering outstanding performance in UHF and VHF frequencies.

  • IP68
  • TETRA
  • UHF
  • VHF
sepura sc21 device

SC21

  • Hand Portable

Small and lightweight, the SC21 is a smart and rugged TETRA radio, offering outstanding power in compact form.

  • IP67
  • TETRA
  • UHF

STP9000

  • Hand Portable

Tough, resilient and packed with features, the STP9000 helps users tackle the most arduous workday challenges. Continuing to work after submersion in up to 1m of water for up to 30 minutes, the IP67-rated full-keypad STP9000 boasts powerful audio, exceptional battery life and safety-enhancing features such as Wake-on-Alarm, which switches the radio on and initiates an emergency call with one touch of a button. Haptic technology produces a physically detectable response to the press of a key, and the Twist and Zoom feature allows images to display full-screen when the radio's orientation is changed.

  • Discontinued
  • IP67
  • TETRA
  • UHF
STP9200 radio

STP9200

  • Hand Portable

Perfect for gloved use, the STP9200 offers a simple, easy-to-use interface with extreme ruggedness and powerful audio and RF. With IP67 environmental protection - continuing to work after submersion in up to 1m of water for up to 30 minutes - the reduced-keypad STP9200 boasts powerful audio, exceptional battery life and safety-enhancing features such as Wake-on-Alarm, which switches the radio on and initiates an emergency call with one touch of a button.

  • Discontinued
  • IP67
  • TETRA
  • UHF
sepura radio

STP9100

  • Hand Portable

Combining extreme ruggedness with powerful audio and RF, the STP9100 is a high-specification, reliable radio for users who prefer a more streamlined user interface. Waterproof, submersible, dustproof and marine-hardened, the IP67-rated STP9100 continues to work after submersion in up to 1m of water for up to 30 minutes. This reduced-keypad hand portable radio boasts powerful audio, exceptional battery life and safety-enhancing features such as Wake-on-Alarm. Haptic technology produces a physically detectable response to the press of a key, and the Twist and Zoom feature allows images to display full-screen when the radio's orientation is changed.

  • Discontinued
  • IP67
  • TETRA
  • UHF

SC23

  • Hand Portable

The SC23 is a rugged and reliable TETRA device, offering powerful audio, a simplified user interface and the essential functionality required for mission-critical operations.

  • IP68
  • TETRA
  • UHF
  • VHF
View all Devices

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