The OpenStage M3 DECT handsets are a family of wireless devices designed to perform in harsh environments. The family comes with variants covering different alarm options and also use in potentially explosive environments where moisture, dirt, shocks or high ambient noises could compromise communication quality. With its device protection class of IP65 it suited perfectly for these scenarios. Although the OpenStage M3 family is designed for these environmental conditions, it looks exquisite with its large 1.8” TFT color display and with an up to date user interface. As well as great style, it offers optimum functionality, with excellent voice quality optimized for noisy environments, Bluetooth interface and its black/silver color. Advanced Alarm Features (for OpenStage M3 Plus) - All the basic alarm features - No movement-, man down-, time-, escape-, technical- and pull cord- alarm - Each alarm type can use an own alarm number - Configurable pre-alarms - Advanced alarm scenarios w/ and w/o Alarm-Server, e.g. OpenScape Alarm Response Server (OScAR) More information: Technical details | Caller ID | Yes |  | Brand compatibility | Siemens | | Speakerphone | Yes | | Compatibility | OpenStage M3 Plus | | Navigation key | Yes | | Headset connectivity | Yes | | Phonebook capacity | 500 entries | | Number of melodies | 15 | | Battery low indication | Yes | | Clock/Date display | Yes | | Display | TFT | | Headphone connectivity | 2.5 mm | | Harmonized System (HS) code | 85177900 | Weight & dimensions | Weight | 166 g | | Width | 56 mm | | Depth | 26 mm | | Height | 154 mm | Design | Product colour | Black, Silver | | Display type | TFT | | Display diagonal | 1.8 " | | Display resolution | 128 x 160 pixels | | Display number of colours | 65536 colours | Battery | Battery technology | Lithium-Ion (Li-Ion) | | Number of batteries supported | 1 |
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