1 About N11
N11 is a compact wireless GSM/GPRS module. It provides high-quality SMS and data services. N11
is widely used in industrial and consumer applications.
N11 series include two variants: N11 and N11 V2. These two variants are completely compatible with
each other in pin definition, packaging, and electric features. In this document, N11 refers to both
variants if not specified.
1.1 Overview
The N11 module adopts 20-pin LGA package and its dimensions are 15.8 mm x 13.8 mm x 2.5 mm,
which can meet most customer requirements for space reduction. It has the following hardware
resources and features:
⚫
UART interface, used for data communications, software upgrades and debugging
⚫
Support SIM card 1.8/3.0V self-adaption
⚫
Support RING (incoming call and SMS reminder)/NET_LIGHT (network indicator)/DTR (sleep
mode) function
1.2 Block Diagram
The N11 module consists of baseband controller, Flash ROM, RF section, application interfaces, etc.
All sections coordinate with each other to provide such communication functions as GPRS data. Its
design block diagram is shown in Figure 1-1.
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