RFSX1272 vs SX1276: LoRa Transceiver Comparison
lora
rf transceiver
semtech
sx1272
sx1276
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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.
| Specifications | SX1272 | SX1276 |
|---|---|---|
| Frequency bands of operation | 850 MHz to 1 GHz | 169 MHz, 433 MHz, 850 MHz to 1 GHz |
| Programmable Bandwidth | 125 KHz, 250 KHz, 500 KHz | 7.8 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 Sensitivity | Good (down up to -137dBm) | Better than SX1272 (down up to -148 dBm) |
| Max. Link Budget | 157 dB | 168 dB |
| IIP3 | -12.5 dBm | -11 dBm |
| Rx current | 10 mA, 100nA register retention | 9.9 mA, 200nA register retention |
| Modulation types supported | GFSK, FSK, MSK, GMSK, LoRa™, as well as OOK. | Same as SX1272 |
| Dynamic Range (RSSI) | 127 dB | 127 dB |
| Temperature sensor and low battery indication | YES | YES |
| Packet engine size | 256 bytes | 256 bytes |
| Blocking Immunity | 89 dB | Excellent |
| Bit Synchronizer | YES | YES |
| Preamble detection | YES | YES |
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.
