Silenta SILENTEX A-COM BT CAP (Motorola) Helmet Attach

£682.00 (Exc VAT)

The Silenta SILENTEX A-COM BT CAP (Motorola) Helmet Attach works efficiency and improves when you can answer your Motorola radio and you do not have to leave the noisy environment. Easy-to-use Push-To-Talk on shell, you may answer even when wearing work gloves. The PTT button is located in the other shell. When speaking, the user just presses the button.


Silenta SILENTEX A-COM BT CAP (Motorola) Helmet Attach Key features and benefits:


  • Qualified Bluetooth device, for wireless connection to a Motorlola communication radio.
  • Wireless transmission range approximately 10m
  • A2DP, HFP ja HSP profiles and has a stereo music player featurel
  • Easy to connect by simple pairing feature


  • Helmet mounting arm and easy Clip-On adapter system enables attachment to most helmets on the market
  • Unique casting technique to protect the electronics
  • Rechargeable Li-on battery and charger included, operating time 100 h or 20h when Bluetooth active
  • Low battery warning and automatic switch off after 5 hours
  • Robust flex-boom mic with excellent background noise cancellation
  • Gel filling and padded headband and spacious cups for the maximum user comfort
  • EU Tariff code: 8518300000

Product details

  • Silenta p/n 9210315, black, for connection to Motorola radio (requires software update)
  • Foldable, easy to transport and store
  • Cups ABS plastic
  • CE-marked and tested for EN 352, ANSI S3.19-1974, and AS/NZS 1270:2002


  • SNR 30 dB / NRR 25 dB. The detailed attenuation values are presented below in the table. They were obtained under laboratory conditions and are for comparison purposes only. The SNR of this product is 30dB (high) and is a good choice for demanding noise environments and attenuates efficiently also in low frequencies. However, the user is responsible for the suitability of the hearing protector for a specific purpose.

User instruction


  • Soft easily replaceable ear cushions
  • We recommend to replace the cushions as necessary, at least every 6 months
  • The recommended maximum shelf life is 5 years from putting into service


ATTENUATION VALUES H = 35 dB M = 29 dB L = 21 dB
Frequency (Hz) 125 250 500 1000 2000 3150 4000 6300 8000
Mean attenuation (dB) 17.8 21.4 29.1 37.0 35.9 34.1 40.3 40.0 40.6
Std. Deviation 2.3 2.2 2.3 3.9 2.8 2.8 2.9 3.7 4.5
APV-value (84%) 15.5 19.2 26.8 33.2 33.1 31.3 37.4 36.3 36.1


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