Cradlepoint Travel Router CTR-500 150 Feet Of WiFi Range Optional +5bd External Antenna Extends Range Take Anywhere Size ( 2.9in x 4.8in ) Ethernet Port f or Failover/Failback For 3G/4G USB or ExpressCard Modems Tethers to select Smartphones or over 100 Modems for WiFi access anywhere you have coverage Compliant with IEEE 802.11 b/g Standards Signal Strength Indicator