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SX1272 vs SX1276: LoRa Transceiver Comparison

lora rf transceiver semtech sx1272 sx1276

This page compares the Semtech LoRa RF Transceivers SX1272 and SX1276, highlighting the key differences between them. It also provides links to resources covering LoRa wireless technology basics and a directory of LoRa product vendors.

SX1272 vs. SX1276: Key Specifications Compared

The following table summarizes the similarities and differences between the SX1272 and SX1276 LoRa RF Transceivers from Semtech.

SpecificationsSX1272SX1276
Frequency bands of operation850 MHz to 1 GHz169 MHz, 433 MHz, 850 MHz to 1 GHz
Programmable Bandwidth125 KHz, 250 KHz, 500 KHz7.8 KHz, 10.4 KHz, 15.6 KHz, 20.8 KHz, 31.2 KHz, 41.7 KHz, 62.5 KHz, 125 KHz, 250 KHz, 500 KHz
Receiver SensitivityGood (down up to -137dBm)Better than SX1272 (down up to -148 dBm)
Max. Link Budget157 dB168 dB
IIP3-12.5 dBm-11 dBm
Rx current10 mA, 100nA register retention9.9 mA, 200nA register retention
Modulation types supportedGFSK, FSK, MSK, GMSK, LoRa™, as well as OOK.Same as SX1272
Dynamic Range (RSSI)127 dB127 dB
Temperature sensor and low battery indicationYESYES
Packet engine size256 bytes256 bytes
Blocking Immunity89 dBExcellent
Bit SynchronizerYESYES
Preamble detectionYESYES

LoRa and Other IoT Technologies

It’s easy to understand the differences between LoRa and other wireless IoT technologies like Zigbee, Z-Wave, Insteon, X10, Homeplug, EnOcean, and Bluetooth.

The table above, along with resources comparing IoT wireless technologies, provides a tabular comparison based on coverage range, frequency of operation, data rate, security, applications, and more.