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3M Peltor System Control Unit SCU-300NA Coyote Tan


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ADF Approved Hearing Protection

Product Details:

3M Peltor's System Control Unit: SCU-300 is designed for use only with the ComTac VII and TEP-300 Wireless Connectivity. The SCU-300 Platform is designed to connect wirelessly with the TEP-300 Wireless Ear Plugs and the ComTac VII Headset

The SCU-300 is the System Control Unit that functions as a super PTT. The SCU-300 can handle multiple radios, dual net radios, smart devices, and intercom systems. The SCU-300 intelligibly stacks all incoming audio into the headset in a way that you can spatially separate the incoming transmissions (ComTac VII). The grey model is Bluetooth enabled, allowing it to be paired with a Smartphone or other EUD with Bluetooth capabilities. Both models include 1 Wireless Remote Control Unit (RCU-300) with ability to deploy up to 2 wireless Remote Control Units per SCU.

Peltor’s Tactical Modular Audio System(TMAS) allows seamless and intuitive wireless integration between the ComTac VII, Tactical Wireless Ear Plugs, System Control Unit(SCU/PTT), and Wireless Remote Control Unit(RCU-300).

Wireless connectivity is created by Near Field Magnetic Induction is a short range, digital, wireless physical layer that communicates by coupling a tight, low power, non-propagating magnetic field between devices. The range is approximately 50 cm (20 in). The steep degradation of NFMI signal strength as a function of distance increases privacy and reduces issues with interference compared to traditional wireless technology. Spectral interference is reduced by a “channel hopping” algorithm incorporated into the TMAS suite.

The SCU can be remotely operated via the RCU-300(1 Included). Besides using the RCU as a PTT, it can also be used to adjust the volume level of the environmental listening or radio. Designed to be mounted on a picatinny rail, it can also be placed elsewhere (i.e. steering wheel, second body location). Two RCUs can be paired to the SCU for mission flexibility set-up.

Wireless System Control Unit(SCU-300 Included)
2x AAA Batteries for Headset Included
Appox. 30 Hours of Battery Life
Meets MIL-STD-461G against Electromagnetic Interference
Evaluated against applicable limits outlined in MIL-STD-464C: Hazards of Electromagnetic Radiation to Ordnance (HERO), Personnel (HERP), and Fuel (HERF)
SCU-300 Available in Tan or Grey Make Selection Before Checking Out
2x AAA Batteries for SCU-300 Included
4 Buttons - PTTI
- + Volume - – Volume
Approx. 1600 Hour Operating Life (Approx. 2 Year Battery Life)
4x Dust Caps Included
Removable Metal Clip
MOLLE Compatible
Grey SCU-300 is Bluetooth Enables to Connect w/ Smartphones and Other EUD
Both SCU Models Can Pair Up to 2 Wireless(RCU-300) Remote Control Unit
Both SCU Models Include 1 Wireless(RCU-300) Remote Control Unit
2x Button Cell Batteries for RCU-300 Included
Single, Dual and Multi Comms Configurable
- Up to 3 physical communication connections - Up to 6 two-way audio streams
Single Channel Radio, Multi-Channel Radio, and ICS Connectivity
Bluetooth® Smartphone Connection Capable-**Grey Version Only**
The SCU can handle multiple radios, with multiple channels. In such scenarios, the user is able to select one of three preset sound profiles:
Mix:Radio communication(s) are heard equally in both left and right ear
Single:Radio communications will be split between the left and right ears
Surround: The radio communications will be perceived as it is coming from different directions (10 o’clock or 2 o’clock) depending on which channel the radio is transmitted from
  • One Time, Voice Guided Setup
  • After Initial Setup – Turn On and Go
  • No External interface Programming
  • Single Button System Shutdown
  • P25/Digital Radio Compatible
  • IP68- Waterproof(Submersible 3” x 30+ min.)
  • 2 x AAA Battery Alkaline or Lithium
  • Meets MIL-STD-810G, MIL-STD 461G, and MIL-STD 464C
  • New Equipment Guarantee

Typical properties

Battery Life

Approx. 30 hr

Battery Type

Rechargeable AAA, Disposable AAA





Case Quantity


Compatible With

RCU-300 Remote Control Unit, TEP-300 Tactical Earplug, ComTac VII Headset

Connection Type

Wired, Wireless

Product Color

Coyote Brown

Product Type

System Control Unit

Recommended Application


Recommended Industry

Military Tactical

Wireless Technology



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