Skywire® LTE CAT4 Brief Datasheet by NimbeLink, LLC

N NimbeLink® L Smart. Simple. Cellular.
Skywire 4G LTE CAT 4
NimbeLink’s® patented end-device-certified Skywire® LTE CAT
4 embedded modem is available on both the Verizon and AT&T
cellular networks and perfect for high-bandwidth applications.
This modem offers the same ultra-small size and Skywire
standard interface as other modems in the Skywire family. The
CAT4 features a SIM card slot that will accommodate a SIM
from either the Verizon or AT&T networks and features HSPA+
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
Small form-factor
U.FL port for antenna flexibility
Skywire interface
4G LTE CAT 4 with 3G HSPA+ fallback
FCC Certified
Longest Network Life
CAT 4 LTE Speeds (150 MB down/50 MB up)
Improved reception with RX diversity
3V-5V input
Penta-Band LTE and Dual-band UMTS
Part Number
Skywire LTE CAT 4 Modem,
Based on Sierra Wireless
AirPrime® HL7588 Module
(Verizon Model)
Skywire LTE CAT 4 Modem,
Based on Sierra Wireless
AirPrime® HL7588 Module
(AT&T and others Model)
About The Skywire Family
Skywire cellular modems are designed
to make cellular integration as fast and
as easy as it can be. Exceptionally small,
pin-compatible, and end-device certified,
Skywire modems enable developers to
quickly and reliably connect IoT products to
cellular networks around the world. Skywire
modems are backed by industry leading
documentation and expert-level product
support. 30157 Rev B
About NimbeLink
NimbeLink is the world’s most trusted partner for cellular solutions for the Industrial Internet of Things (IIoT). The
Skywire® series of cellular embedded modems, enable dramatic reduction in development and time-to-market.
NimbeLink also develops and markets complete, highly configurable edge-to-enterprise Asset-Tracking Solutions.
For more information, visit Content © 2019 NimbeLink Corp. All Right Reserved.
Technical Specifications (NL-SW-LTE-S7588)
Target Region
North America
Compatible Carriers AT&T, Verizon
Cellular Technology
LTE Category LTE CAT 4
LTE Frequency Bands LTE: B2 [1900], B4[1700], B5[850], B13[700], B17[700]
3G Technology Supported HSPA+
3G Frequency Band B2[1900], B5[850]
2G Technology Supported N/A
2G Frequency Band N/A
Data Speeds
Download Rate and Upload Rate Download: LTE: 150 Mbps | HSPA+: 42.2 Mbps
Upload: LTE: 50 Mbps | HSPA+: 5.7 Mbps
Form Factor Skywire Interface
Dimensions 29mm x 33mm x 10.5mm
Weight 8 grams
Internet Protocols
Network Stack Support Integrated TCP/IP, UDP/IP, HTTP, FTP, SSL/TLS, IPv4/IPv6, NITZ, PPP Stacks
SMS SMS over IMS and SGs
Supply Voltage 3V to 5.5V (3.8V nominal)
I/O Voltage 1.65V - 5.5V
Current Consumption Average 66 mA | Peak 229 mA | Idle 14 mA | Sleep 11 mA
Data Interface UART, USB (USB 2.0 compliant)
USB Driver Support OS: Windows XP | Windows Vista | Windows 7 | Windows 8 | Windows 10 | Linux
Drivers: MBIM | PPP | NCM | ACM | AT Console
RF Primary (U.FL), Rx Diversity and MIMO DL 2x2 (U.FL)
Type 3FF SIM card slot
Regulatory Certifications PTCRB, FCC, IC
Carrier Approvals AT&T, Verizon
Compliance RoHS compliant
Temperature Range
Industrial Grade -40°C to +85°C
Support and Warranty
1 Year standard warranty