Products specifications

Attribute name	Attribute value
Weight	2.87 lbs
Power Requirements	100-240. 50/60
MAC address filtering	Y
Voice codecs	G.711a, G.723.1, G.726, G.729A
Operational conditions
Operating temperature (T-T)	0 - 45 °C
Operating relative humidity (H-H)	10 - 90 %
Storage relative humidity (H-H)	10 - 90 %
Storage temperature (T-T)	-20 - 85 °C
Weight & dimensions
Dimensions (WxDxH)	6.69 x 8.66 x 1.54"
Features
LED indicators	Y
Other features
I/O ports	4x RJ-11 FXS, 4x RJ-11 FXO, RJ-21, 1x WAN 100BASE-T RJ-45, 1x AUX 100BASE-T RJ-45.
Authentication method	EAP-TLS, EAP-TTLS, EAP-PEAP
Security
Security algorithms	HTTPS, MD5
VPN support	VPN pass-through IPsec ESP, PPTP, L2TP
Protocols
Supported network protocols	ARP, DHCP client & server, PPoE, ICMP, TCP, UDP, RTP, RTCP, SNTP