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LEXI-R422 - System integration manual
1
System description
1.1 Overview
The LEXI-R422 modules are a multi-band LTE-M / NB-IoT / EGPRS multi-mode solution in the
ultra-small LEXI LGA form factor (16.0 x 16.0 mm, 133-pin), allowing an easy integration into compact
designs.
LEXI-R422 modules provide software-based multi-band configurability enabling international
multi-regional coverage in LTE-M / NB-IoT and EGPRS radio access technologies.
LEXI-R422 modules offer data communications over an extended operating temperature range
of -40 °C to +85 °C, with low power consumption, and with coverage enhancement for deeper range
into buildings and basements (and underground with NB-IoT).
Measuring just 16x16 mm, LEXI-R422 modules are ideal for size-constrained devices like people and
animal wearables, small asset trackers, portable healthcare systems and other small IoT applications.
With many interface options and an integrated IP stack, LEXI-R422 modules are the optimal choice
for LPWA applications with low to medium data throughput rates, as well as devices that require long
battery lifetimes, such as used in smart metering, smart lighting, telematics, asset tracking, remote
monitoring, alarm panels, and connected healthcare.
Furthermore, the LEXI-R422 modules support a comprehensive set of 3GPP Release 14 features for
LTE Cat M1 and Cat NB2 that are relevant for IoT applications.
Customers can future-proof their solutions by means of Over-The-Air firmware updates, thanks to
the uFOTA client/server solution that utilizes LWM2M, a light and compact protocol ideal for IoT.
u-blox
Model
Region
RAT
Positioning
Interfaces
Features
Grade
services
Multi
M1
LEXI-R422
*
●
●
●
●
●
● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ●
●
Region
NB2
* = LTE bands 1, 2, 3, 4, 5, 8, 12, 13, 18, 19, 20, 25, 26, 28, 66, 85
Table 1: LEXI-R422 main features summary
UBX-23007449 - R02
System description
Page 6 of 108
C1-Public
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