Currently, the Junxion Box supports the following cellular carriers and PC Card modems.

Alltel

• Kyocera KPC 650 (1xRTT and 1xEV-DO)
• Sierra Wireless AirCard 555 (1xRTT)

Cingular Wireless (including AT&T)

• Novatel Wireless Merlin U520 (UMTS) and U730 (EDGE/HSDPA)
• Option Wireless GlobeTrotter GT MAX (EDGE/HSDPA) and GT MAX 3.6 (EDGE/HSDPA/GPRS)
• Sierra Wireless AirCard 775 (EDGE), AirCard 860 (EDGE and limited HSDPA), and AirCard 875 (EDGE/HSDPA/GPRS)
• Sony Ericsson GC82 and GC83 (EDGE)

Sprint

• Novatel Wireless Merlin C201 (1xRTT), S620 (1xRTT and 1xEV-DO), and S720 (1xRTT and 1xEV-DO Rev A.)
• Sierra Wireless AirCard 550 (1xRTT), AirCard 580 (1xRTT and 1xEV-DO), and AirCard 595 (1xEV-DO Rev. A/1xRTT)
• Pantech PX-500 (1xEV-DO Rev. A/1xRTT)
• UTStarcom/Audiovox PC5740 (1xRTT and 1xEV-DO)

Verizon Wireless

• Audiovox PC3220 (1xRTT) and PC5220 (1xRTT and 1xEV-DO)
• UTStarcom/Audiovox PC5740 (1xRTT and 1xEV-DO)
• Kyocera KPC 650 (1xRTT and 1xEV-DO)
• Novatel Wireless Merlin V620 (1xRTT and 1xEV-DO)
• Sierra Wireless AirCard 555 (1xRTT) and 580 (1xRTT and 1xEV-DO)