STP8X Skull Microphone
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.
| Attribute | Specification |
|---|---|
| Environmental rating | IP67 |
| Storage temperature | -40 to 85°C |
| Dimensions (LxW) | 240x40mm |
| Weight | 85g |
| Connector cable length, coiled | 270mm |
| Connector cable length, extended | 1300mm |
| Item | Part no. |
|---|---|
| STP8X skull microphone | 300-00855 |
Applicable standards
| IECEx Specifications | ATEX Specifications |
|---|---|
| IEC 60079-0:2017 Edition 7.0 IEC 60079-11:2011 Edition 6.0 | EN IEC 60079-0:2018 EN 60079-11:2012 |



