... One SIM card slot for 3G network access directlySupports IEEE 802.11b/g/n, speed rate up to 150MbpsSupports ADSL, static ... and build-in Firewall Specification: StandardEE802.11n,IEEE 802.11b,IEEE 802.11gRF Frequency2.4~2.4835GHzNetwork ProtocolSupport TCP/IP, NAT, PPPoE ... ,Wan,3G,wifiEnvoirnment Operating10%-90% non-condeensionDimension117×78×28mm 150M 802.3N and SIM card slot 3G wireless Router