"Konftel 300Wx-IP Brand New Includes Two Year Warranty, Item # 840101077 The Konftel 300Wx wireless conference phone enables conference calling without the hassle of phone jacks and power outlets. The DECT with GAP/CAT-Iq standard support, allows to deliver crystal clear conversations with less interference and easy integration with existing DECT systems. The phone is expandable with microphones and can be easily connected to your cell phone or computer via USB for VoIP calls over the internet. The The Konftel IP DECT 10 base station connects via SIP and supports up to 20 HD-capable Konftel 300Wx phones registered and five simultaneous calls. The Konftel 300Wx can be set up with IP DECT bases from third-party suppliers that Konftel supports, but the Konftel IP DECT 10 gives you unique advantages and makes iteasier to get started. 300Wx Features: Wireless Conference Phone System, OmniSound® HD Technology, Full Duplex Operation, DECT w/ GAP/CAT-Iq, Rechargeable Battery w/ up to 60 Hour Talk Time, Analog Connection for Standard Calls, USB Connection for VoIP Calls, Compatible w/ DECT Systems, Cell Phones & PCs, Built-In Omni-Directional Microphone, Adustable EQ, SD Memory Card Recording, Expandable w/ Microphones, Line Selection Mode, Future-Proof w/ Online Upgrades, Large, Illuminated Display, Easy Set-Up of Multiparty Calls, Store up to 20 Conference Call Groups, 200 Name/Number Phonebook, Kensington Security Slot for Theft Protection, Built-in Bridging Function - Allows to Combine Different Connectivity Options, Multi-Lingual Menu Support (Danish, English, Finnish, French, Italian, Dutch, Norwegian, Polish, Spanish, Swedish, Turkish, German, Russian), IP DECT 10 (840102132) Features: SIP to company's IP PBX, on Customer's Premises or Cloud-Based, Frequency Band: 1880 MHz 1930 MHz (DECT), Four Power Levels (14, 17, 20 and 24 dBm), Range (Open Spaces/Indoors): 300/50m, DECT GAP/CAT-iq, Computer via USB or Smartphone, 20 Users (20 Handsets Registered), Up to 60 Hours Battery Operation. Interface to IP Network: 10/100 BASE-T IEEE802.3, Recording on SD card, 5 V Mains Adapter, Max Power Consumption: 5 W"