Wrtu54g-tm T-mobile Hotspot @ Home 802.11g Broadband Router with 2 Phone Ports Linksys WRTU54G-TM T-Mobile HotSpot @Home 802.11g Router Wireless Router Compatible with: T-Mobile HotSpot @ Home enabled mobile phones Standard landline phones Wireless Notebooks and PCs Calling Features: Two FXS voice ports (RJ-11) for landline calling through T-Mobile's HotSpot @ Home service Two Subscriber Identity Module (SIM) slots