Yeastar TG1600 GSM VoIP Gateway.

Models*	TG100	TG200	TG400	TG800	TG1600
Number of Ports	1	2	4	8	16
GSM Frequency**	850/900/1800/1900 MHz
WCDMA Frequency**	850/1900 MHz, 850/2100 MHz, 900/2100 MHz
4G Data	–
4G LTE Band**	Don’t support 4G LTE

Antenna Splitter (4 in 1)	–		Support
Transport	UDP, TCP, TLS, SRTP
Voice Codec	G.711 (alaw/ulaw), G.726, G.729A, GSM, ADPCM, Speex
DTMF Mode	RFC2833, SIP Info, In-band
Echo Cancellation	ITU-T G.168 LEC
Calling Type	Termination (VoIP to GSM/WCDMA), Origination (GSM/WCDMA to VoIP)
Network Protocol	FTP, TFTP, HTTP, SSH
LAN	1 10/100 Mbps Ethernet Interface			2 10/100 Mbps Ethernet Interfaces
NAT Traversal	Static NAT, STUN
Network	DHCP, DDNS, Firewall, OpenVPN, Static IP, QoS, Static Route, VLAN
Operation Range	0°C to 40°C, 32°F to 104°F
Power Supply	DC 12V, 1A	AC 100-240V
Storage Range	-20°C to 65°C, -4°F to 149°F
Dimensions (L × W × H) (mm)	110 x 70 x 24	213 x 160 x 44		340 x 210 x 44	440 x 250 x 44
Humidity	10-90% non-condensing

Yeastar TG1600 GSM VoIP Gateway