Konftel 300Mx 4G- world’s first mobile conference phone| Get yours now!
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  • Room type: Small to Medium

  • The world's only mobile conference phone

  • Support for HD Voice

  • USB for PC-based collaboration

  • Battery gives 30 hours of call time

  • Supporting Konftel Unite App via adapter

The Konftel 300Mx 4G is the world's first mobile conference phone. Insert the SIM card and start your meeting immediately, with no fuss or cables. Wherever you have cell phone coverage. However you want, thanks to the unit's versatility and support for PC-based collaboration. There’s also the option to add expansion microphones for large rooms.


You enjoy better sound quality than from a landline. The Konftel 300Mx 4G is based on our OmniSound® audio technology and supports HD Voice on the mobile network. With natural, crystal-clear sound, the nuances of the call come across and the dialogue can flow smoothly. Connecting expansion microphones increases capacity to large rooms with superb clarity.

Perfect for collaboration

A USB port makes the Konftel 300Mx 4G ready for all the apps and services we use to communicate and collaborate via computers – such as Microsoft Teams, Skype, Cisco Webex, Zoom, Google Hangouts, Avaya IX Workplace and Unify Circuit. Don't compromise on audio quality when your teamwork goes "live" in an online meeting.


  • Room type: Small to Medium

  • Mobile

  • USB

  • Expandable with additional microphones

  • OmniSound® with HD audio

  • Supports HD Voice on mobile network

  • Hybrid: combine meeting app and phone calls

  • Recording on memory card

  • Free software updates

  • Charging cradle

  • Climate Neutral Certified

  • Built-in SIM card holder

  • Battery gives 30 hours of call time

  • USB for PC-based collaboration

  • Guide for multiparty calls

  • Two-year warranty

  • Supporting Konftel Unite App via adapter


When you choose Konftel

Konftel is a pioneer in conference calls. We've been helping companies and organizations around the world to meet at a distance since our launch in 1988. Our conferencing solutions deliver superb audio and video quality for effective and eco-friendly collaboration. We are Climate Neutral Certified.

Would you like help finding the right products for your company? We're here to guide you towards the perfect solution. Simply contact Konftel sales. And have you tried our useful product selector?

Two-year warranty

All Konftel's products come with a two-year warranty. This provides peace of mind for customers and shows that our commitment doesn't end with the purchase. We also offer servicing beyond the warranty period. Find out more under Support.


Try before you buy

Companies can try a product before making their final decision. This demo option is available in most  markets with Konftel distribution. Leave your contact details and a sales representative will be in touch.

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