The Konftel 300Wx allows for wireless communication without the need for network or power outlets. The wireless DECT technology is both reliable and secure so that you can have your conference just about anywhere. Choose the base station that best suits the telephony environment you need. The base station has inputs for SIP or analog or connects to an installed DECT system. This rechargeable battery can last up to 60 hours of talk time, so you won't have to worry about recharging during the week. Do your audio conferencing anywhere. Buy now!