Supports a range of up to 400 meters outdoors and 50 meters indoors when used with the DP752 (300 meters outdoors when used with DP750) 2.4 inch (240x320) color LCD with 3 programmable soft keys Offers 40-hour talk time and 500-hour standby time Supports up to 10 SIP accounts and 10 lines per handset as well as 3-way conferencing Dedicated push-to-talk button, built-in proximity and accelerometer sensors for gesture control and alert notification HD audio on the speakerphone, handset, and headset jack Seamless 1-touch door control with Grandstream’s GDS series of Facility Access devices Software and firmware updates over-the-air
