Mobile | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | 1 GSM/CDMA/UMTS Channel |
GSM Frequency | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | 850/900/1800/1900 MHz |
UMTS Frequency | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | 850/1900 MHz, 850/2100 MHz, 900/2100 MHz |
CDMA Frequency | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | 800 MHz |
Antenna Splitter (4 in 1) | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | – |
Protocol | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | SIP, IAX2 |
Transport | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | UDP, TCP, TLS, SRTP |
Voice Codec | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | G.711 (alaw/ulaw), G.722, G.726, G.729A, GSM, ADPCM, Speex |
Echo Cancellation | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | ITU-T G.168 LEC |
DTMF Mode | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | RFC2833, SIP INFO, In-band |
Console Port | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | – |
Calling Type | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | Termination (VoIP to GSM/CDMA/UMTS), Origination (GSM/CDMA/UMTS to VoIP) |
LAN | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | 1 10/100Mbps |
Network Protocol | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | FTP, TFTP, HTTP, SSH |
NAT Traversal | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | Static NAT, STUN |
Network | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | DHCP, DDNS, Firewall, OpenVPN, Static IP, QoS, Static Route, VLAN |
Dimensions (L × W × H) (mm) | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | 110 x 70 x 24 |
Power Supply | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | DC 12V, 1A |
Operation Range | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | 0°C to 40°C, 32°F to 104°F |
Storage Range | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | -20°C to 65°C, -4°F to 149°F |
Humidity | ![](http://www.yeastar.com/wp-content/uploads/2016/05/ellipse.png) | 10-90% non-condensing |