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Konftel 300M 3G GSM Conferencing Phone

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01/06/2020 £641.70 exc. VAT
770.04 inc. VAT
Availability:In stock for next day delivery
Key Features
  • Up to 30 hours of talk time
  • Unique mobile conference phone
  • USB for collaboration

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Brand: Konftel
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Konftel 300M 3G GSM Conferencing Phone

The Konftel 300M Conference Phone is perfect for companies that have chosen a mobile communications solution. It is intended for use in mobile networks, with all their flexible benefits. You also get an uncompromising conference phone with smart functions and Konftel’s patented audio technology OmniSound® 2.0, ensuring crystal-clear sound on all your conference calls.

Konftel 300M Key Features

  • Long battery life (up to 30 hours of talk time)
  • Unique mobile conference phone
  • USB for collaboration
  • Meeting size: up to 20 people
  • OmniSound®
  • Support for HD Voice on 3G network

Recorder Capabilities
The Konftel 300M supports recording to an SD memory card – perfect for interviews, documentation or simply as a reminder of important calls and meetings. Can also be used as a dictaphone.

Multi-Party Calls and Conference Guide
Your mobile operator's network determines the number of participants in multi-party calls, but normally up to six people can be connected. With the handy conference guide, which stores call groups, you can call all the parties simultaneously at just the touch of a button.

USB Connection for VoIP Calls and UC Environments
The Konftel 300M is compatible with most UC environments and can be connected to a computer using the accompanying USB cable. Use Line Mode to make it easy to switch between and combine mobile and USB connections.

Expansion Microphones for Larger Meetings
The Konftel 300M is equipped with Konftel’s patented audio technology, OmniSound® 2.0, which gives crystal-clear sound. Supplement with expansion microphones for larger meetings to expand the reception area from 30 m to more than double that.

Konftel IP Conferencing Telephone Range Comparison


Konftel 300M Conferencing Phone Technical Specification

Audio Specifications

  • OmniSound® 2.0: Wideband via USB.
  • Microphone: Omnidirectional, 360˚.
  • Frequency range: 3G/2G 200-3300 Hz, USB 200-7000 Hz.
  • Reception area: Up to 30 m2, > 10 persons.
  • Range with expansion microphones: Up to 70 m2, > 16 persons.
  • Volume: Max. 90 db SPL 0.5 m.
  • Equaliser: dark, neutral and bright.


  • GSM 850/900/1800.
  • 3G/UMTS 900/2100.
  • USB 2.0. Compatible with Microsoft Office Communicator, Skype and other communications tools.

Power Supply

  • Battery: 5200 mAh, up to 30h talk time/270h standby.
  • Charging stand: AC adapter 100-240 V AC/14 V DC, electrical
  • Cable length 90 cm.

Sim Card

  • SIM with support for PIN/PUK.


  • Phonebook: 500 contacts. Import/export via SIM card.
  • Call groups: 20 groups.


  • Supports recording to a 2 GB SD memory card.


  • Support for SMS (Short Message Service) text messages.

Anti-Theft Protection

  • Kensington® security slot.


  • Konftel 300M: Size: 240 mm diameter, 77 mm height, weight: 1180 g incl. battery.
  • Konftel charging cradle: Size 180x165 mm, weight 220 g.
  • Colour: Liquorice black.

Display and Keypad

  • Display screen: LCD, 128x64 pixels (5x2.5 cm).
  • Keypad: Alphanumeric, *, #, handset on, handset off, mute, hold, volume up, volume down, 5 buttons for navigation in the menu system, line mode, conference guide.


  • Electrical safety: EN 60950-1:2006 and A11, IEC 609501-1, ANSI/UL 60950-1-2007, CAN/CSA-C22.2 No. 60950-1-07.
  • Radio: FCC 47CFR Part 15 Subpart B, Unintentional, Radiator Class B, EN 301 489-7 (1.3.1), EN 301 489-24, EN 301 511 (9.0.2), EN 301 908 (3.2.1).


  • Temperature: 5°–40°C.
  • Relative humidity: 20–80% condensation free.


  • The Konftel 300M
  • Battery
  • Konftel charging cradle
  • USB cable
  • Quick reference guide

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