| A small electret condenser monaural microphone is found on the top panel next to its speaker, so you can annotate each image with your own voice. |
| Microphone module with electret microphone for areas with normal to medium ambient noise levels. |
| The DSP allows a characteristic of a noisecancelling as well as an electret microphone. |
| For older Icom radios, which require a higher microphone audio level, the Proset Elite is also offered with the 'IC' electret mic element. |
| Omnidirectional build-in electret microphone for use with glass panes or aluminium panels up to 10 mm thickness. |
| The passive device group includes alpha track detectors, charcoal canisters, charcoal liquid scintillation detectors, and electret ion chambers. |
