NimbeLink's® end-device-certified Skywire™ LTE CAT4 embedded modem is the fastest on Verizon, and AT&T cellular networks and perfect for high-bandwidth applications. This modem offers the same ultra-small size as Digi's XBee® Standard interface in the Skywire™ family. HSPA+ fallback is available on Verizon and AT&T.

NL-SW-LTE-S7588 - Skywire Cellular Modem, LTE CAT4, AT&T, FW A.2.13
Part No. Description Price Stock
NL-SW-LTE-S7588-T-C Skywire Cellular Modem, LTE CAT4, AT&T, FW A.2.13 $132
NL-SW-LTE-S7588-V-B Skywire Cellular Modem, LTE CAT4, Verizon, FW V.3.15 $132 37
∗ Standard lead time is 1 week

Like other modems in the Skywire™ family, our 4G LTE CAT 4 modem is compatible with a variety of NimbeLink® development kits and microprocessor shields, allowing fast, easy integration of cellular connectivity into new or existing products. Its standard interface simplifies migration to other cellular technologies, ensuring long product life. In addition Skywire™ modems end-device certification eliminates the considerable cost, time and risk of the certification process, driving your products to market faster.


  • Industry's smallest form-factor
  • No carrier certification required
  • One design for deployment
  • Digi's XBee® Standard footprint, simple integration
  • Easy migration path, future-proof
  • Low power
  • Speeds capable of 150MBit/s Download, 50MBit/s Upload
  • 4G LTE CAT4 with HSPA+ Fallback
  • U.FL port provides antenna flexibility
  • Development kits available
  • Verizon has 3G fallback in Mexico and Canada
  • AT&T has 3G fallback in North America
  • Approvals: FCC, PTCRB, AT&T, Verizon ODI
  • 4G LTE (Verizon, AT&T)
  • SIM slot
  • HSPA+ Fallback: Release 9 & Category 24 on B2 & B5
  • LTE Penta-Band: B2 (1900), B4 (1700), B5 (850), B13 (750), B17 (700)
  • Warranty Period: 1 year