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Shield for Raspberry Pi is based on system LARA-R211 used as a modem of mobile phone designed for LTE network and in case of emergency - 2G network. It supports, i.a. TCP / UDP / HTTP. It has two interfaces, UART and USB. The Raspberry is connected with the shield via UART using AT commands without any additional drivers.
The set includes two antennas, main and DIV, the main is used both for transmission and reception.DIV antenna is used only for reception and improves receiver's sensitivity.
The manufacturer has prepareda short guide abouthow to prepare and program the shield so that it functions correctly.
The distribution of the elements
Module U-blox LARA-R211 from series LTE CAT.1
|I2C / Digital
||The shield has 2 ports I2C / digital Grove|
3.3 v and 5v
Switch to change the voltage from 3.3 V to 5 V
in the ports of the Grove
||The USB connector can be used to power or as a debugger|
|Battery Holder||JST connector for power supply from the battery|
|Reset button||Button to reset the module|
|Power button||Button must be held pressed for 2 seconds to start the module LARA-R211|
|LTE RF main||The main antenna module|
|LTE RF div||Antenna div|
|RPI 40 pins||The pins are used to connect the shields to the connectors GPIO on the Raspberry|
|SIM card slot||slot for SIM card|
- Compatible with Raspberry B+ and above
- Support for LTE and 2G
- Interface: UART, USB
- Support fort the Grove connectors: digital / I2C
- Supported protocols: TCP, UDP, HTTP, FTP, SSL
- IPV4 / IPV6
- Dimensions: 65 x 56 x 18.5 mm
- 23,4 g