1、2.4INCH COLOR SCREEN: Home phone is equipped with a 2.4inch high definition display, 240x320 resolution, at a glance interface design, better visual effect. 2、4G NETWORKING: Landline phone has built in 2.4G Wifi, and supports 4G SIM card networking, multiple network options, making the network connection more flexible and convenient, to meet the various needs of customers online. 3、FIXED BASE: S07 charging base contains charging shrapnel, charging force is uniform, the slot has a fixed role, can be well fixed IP phone terminal to maintain a certain angle and will not tip over. 4、INTELLIGENT NOISE CANCELLATION: Portable WiFi phone adopts intelligent noise cancellation technology, which can provide high definition and perfect sound quality, providing users with first class communicate experience. 5、VOICE COMMUNICATE: Only need to power on the network, can be completed automatically deployed, voice communicate in the IP network and the practicality and manageability of the very high voIP terminal products, can be connected to the operator's 4G network. Item Type: Cordless Landline Telephone Material: ABS Memory Card Maximum Support: 256G(Not Included) Support: 2 Atandard SIM Cards (Not Included) Polymer Lithium Battery: 1600mAh (Shipped with Matching Battery) Screen Size: 2.4 Inch Screen Color: Color Screen European Version of the Band (Consult the Local Operator to Support the Service):B2,B3,B5,B8 (2G);B1,B5,B8 (3G);B1,B3,B5,B7,B8,B20,B38,B40,B41 (4G) WIFI: IEE802.11b/g/n Support Phone Features: Add/Delete Contacts, No Disturb for Missed Call Alerts, Auto Answer Call Forwarding/Call Forwarding Configuration Management: Support for TFTP/PnP/DHCP/One Click Update Mode Automatic Deployment; TR069 Remote Configuration Network Security: Support UDP/TCP/TLS; Automatic Synchronization of Date and Time Via SNTP Fidelity Sound Quality: HD Hands Free HD Joystick Support: Bluetooth/Wifi/Talking VOIP Parameters: SIP Protocol: SIP 2.0(RFC3261) Transport Protocol: UDP/TCP/TLS DTMF : In band,Out of band(RFC 2833) and SIP INFO Voice Frequency Coding: G.722/G.729/AMR/AMRWB/GSM/PCMA/PCMU/SPEEX/ILBC/DTMF/ISCWB VOICVoice Frequency Function: AEC/VAD/CNG/AGC/ANS SRTP: NONE/FORCE/PREFER 3GPP: TS 24.605 Call Forwarding: Support STUN: Support SIPLine: 3 Lines 1 x Telephone 1 x Base 1 x Back Clip 1 x User Manual 1 x Battery 1 x Adapter 1 x Charging Cable