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SWS Wireless System

  • Adds a Headset Position to your intercom.
  • Compatible with UltraSound Intercom and MRIM-2 Units.
  • Full Duplex Communication.
  • Digital Encryption Provides Call Privacy.
  • Charge Time: 2.5 Hours for Full Charge.
  • Range: Up to 300 Feet.
  • Talk Time: Up to 30 Hours.
  • Auto On and Off.
  • Radio Push-to-Transmit Switch (RPTT).
  • Warranty: Two years parts and labor.

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this headsets or any Sigtronics system.

SE-9 Headset

Sigtronics Wireless Headset System

System Operation: Adds a headset position to the existing intercom - does not disable any existing wired headset position. The wired headset PTT’s work as before. Pressing a wired PTT button sends out the corresponding wired headset mic audio to the radio and mutes all the other microphones. Pressing the wireless headset PTT sends the mic audio out to the radio and mutes all the other headset microphones on the intercom.

Wireless Headset: Mobility and hearing protection in one compact headset designed to be used with or without a helmet. Our wireless headset features our heavy-duty flex boom and field replaceable M-83 noise-canceling microphone. The headset is powered by standard size AA Nickel Metal Hydride (NiMH) rechargeable batteries.

Easy Upgrade: The SWS wireless system does not require removal of the existing Sigtronics intercom installation. Each base unit and its wiring harness is made for a specific Sigtronics intercom model – US-45, US-67, US-12, or MRIM-2. This allows for easy installation, just plug the base unit in-line with the existing intercom wiring harness.

Small Size: You will only need a 5” x 3” x 2” space for the base unit. The charger is only 2” long and can be placed near the SE-9 headset.

SE-9 Base Unit, Charger, and hardware

Wireless System
Each SWS wireless system comes complete with headset, cab mounted base unit, 12 volt charger, mounting hardware, and wiring harness.



Simple Base Unit Installation
Just plug the unit in-line with your existing Sigtronics intercom system.

Wireless install

Charger Plug

Quick Disconnect Charging Plug
Recharge the headset batteries without removing them from the power module.



Charging Verification
Always know the headset status. The end of the Charger changes color to show the batteries charge.

SE-9 Charger

System Headset Base Unit Description
SWS-4 SE-9 SWB-4 For use with UltraSound US-45 Intercoms.
SWS-6 SE-9 SWB-6 For use with UltraSound US-67 Intercoms.
SWS-12 SE-9 SWB-12 For use with UltraSound US-12 Intercoms.
SWS-M SE-9 SWB-M For use with MRIM-2 Interface Module.
PDF Instructions  
Installation and
Installation and Operating Instructions
Models: SWS-4, SWS-6, SWS-12, and SWS-M
SWS Brochure System overview in PDF
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