MIKROE-2225

MIKROE-2225 Datasheet


From MikroElektonika Documentation

Part Datasheet
MIKROE-2225 MIKROE-2225 MIKROE-2225 (pdf)
PDF Datasheet Preview
Lora 2 click

From MikroElektonika Documentation

LoRa 2 click carries Microchip’s RN2903 915 MHz Radio Modem compliant with regulations for use in the United States, Canada, Australia and New Zealand.

Features and usage notes

Lora 2 click

Study the data sheet before applying either Lora or Lora 2 click in your designs. It is your responsibility to get acquinted with relevant regulations of radio frequency use.

For example, here's what the
official data sheet states about
compliance with USA
regulations "the RN2903
module has received Federal

Schematic also available in PDF

Communications Commission

FCC CFR47

Telecommunications, Part 15 Subpart C “Intentional

Lora 2 click

Radiators” modular approval in accordance with Part Modular Transmitter IC/Module RN2903
approval. Modular approval allows the end user to integrate the RN2903 module
into a finished product without obtaining subsequent and separate FCC approvals for intentional radiation, provided no changes or modifications are made to the

Interface UART
module circuitry."

Power 3.3V, 5V
supply

On the other hand, in New Zealand, it would be your responsibility to prove the device is compliant. To quote from the data sheet "RN2903 module RF transmitter

Website
test reports can be used in part to demonstrate compliance against the New Zealand
"General User Radio License for Short Range Devices". New Zealand Radio communications Radio Standards Notice 2010 calls up the AS / NZS 4268:2008
industry standard. The RN2903 module test reports can be used as part of the product certification and compliance folder."

You can find all the relevant data on page 13 of the official data sheet.

The RN2903 module on Lora 2 click has a specified range of >15km in rural and suburban settings, and >5km coverage in urban areas. A LoRaWAN Class A protocol stack is embedded bidirectional end devices , as well as an ASCII command interface accessible through UART. The high receiver sensitivity can go down to -146 dBm. LoRa click communicates with the target board MCU through the mikroBUS UART interface CTS, TXD, RXD , with the addition of a Reset pin RST and RTS. The board is designed to use either a 3.3V or a 5V power supply. NOTE antenna sold separately.

A version of Lora click compliant with European wireless regulations is also available. See Lora click

Programming

LoRa process must be kept inside an infinite loop
1 while 1
lora_rf_process ;

Code examples that demonstrate the usage of Lora 2 click with MikroElektronika hardware, written for MikroE compilers are available on Libstock

Resources
- Vendor’s data sheet - Learn article about Lora 2 click - mikroBUS standard specifications

Retrieved from

This page was last modified on 27 July 2016, at Content is available under Creative Commons Attribution unless otherwise noted.
8/8/2016
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Datasheet ID: MIKROE-2225 649272