SX1276IMLTRT datasheet(9/132 Pages) SEMTECH

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SX1276IMLTRT Datasheet(PDF) 9 Page - Semtech Corporation

Part #	SX1276IMLTRT

Description	Low Power Long Range Transceiver

Download	132 Pages

Scroll/Zoom	100%

Manufacturer	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

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9 / 132 page

www.semtech.com

Page 9

SX1276/77/78/79

WIRELESS, SENSING & TIMING

DATASHEET

Rev. 4 - March 2015

1. General Description

The SX1276/77/78/79 incorporates the LoRaTM spread spectrum modem which is capable of achieving significantly longer

range than existing systems based on FSK or OOK modulation. At maximum data rates of LoRaTM the sensitivity is 8dB

better than FSK, but using a low cost bill of materials with a 20ppm XTAL LoRaTM can improve receiver sensitivity by more

than 20dB compared to FSK. LoRaTM also provides significant advances in selectivity and blocking performance, further

improving communication reliability. For maximum flexibility the user may decide on the spread spectrum modulation

bandwidth (BW), spreading factor (SF) and error correction rate (CR). Another benefit of the spread modulation is that

each spreading factor is orthogonal - thus multiple transmitted signals can occupy the same channel without interfering.

This also permits simple coexistence with existing FSK based systems. Standard GFSK, FSK, OOK, and GMSK

modulation is also provided to allow compatibility with existing systems or standards such as wireless MBUS and IEEE

802.15.4g.

The SX1276 and SX1279 offer bandwidth options ranging from 7.8 kHz to 500 kHz with spreading factors ranging from 6 to

12, and covering all available frequency bands. The SX1277 offers the same bandwidth and frequency band options with

spreading factors from 6 to 9. The SX1278 offers bandwidths and spreading factor options, but only covers the lower UHF

bands.

1.1. Simplified Block Diagram

Figure 1. Block Diagram

Manufacturer	Part #	Datasheet	Description
Semtech Corporation	SX1276	348Kb / 1P	137-1050 MHz Ultra Low Power Long Range Transceiver

Manufacturer	Part #	Datasheet	Description
Semtech Corporation	SX1272IMLTRT	4Mb / 129P	Low Power Long Range Transceiver
HOPE Microelectronics C...	RF96	2Mb / 121P	Low Power Long Range Transceiver
List of Unclassifed Man...	RFM92W-868S2	2Mb / 126P	Low Power Long Range Transceiver Module
List of Unclassifed Man...	RFM95W-868S2	1Mb / 121P	Low Power Long Range Transceiver Module
HOPE Microelectronics C...	RFM95	1Mb / 121P	Low Power Long Range Transceiver Module
	RFM92W	4Mb / 123P	Low Power Long Range Transceiver Module V1.0
	RFM93W	4Mb / 126P	Low Power Long Range Transceiver Module V2.0
Microchip Technology	RN2903	1Mb / 24P	Low-Power Long Range LoRa Technology Transceiver Module 07/14/15
AUREL S.p.A.	650201516G	1Mb / 1P	Long Range & Low Power 2.4 GHz Multichannel Transceiver 18.02.2020
Microchip Technology	RN2483	1Mb / 20P	Low-Power Long Range LoRa짰 Technology Transceiver Module 07/14/15

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