The SX1276/77/78/79 transceivers feature the LoRa® long range modem that provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
Using Semtech’s patented LoRa modulation technique SX1276/77/78/79 can achieve a sensitivity of over -148dBm using a low cost crystal and bill of materials. The high sensitivity combined with the integrated +20dBm power amplifier yields industry leading link budget making it optimal for any application requiring range or robustness. LoRa also provides significant advantages in both blocking and selectivity over conventional modulation techniques, solving the traditional design compromise between range, interference immunity and energy consumption.
LoRa Modem
168dB maximum link budget
+20dBm - 100 mW constant RF output vs. V supply
+14dBm high efficiency PA
Programmable bit rate up to 300kbps
High sensitivity: down to -148dBm
Bullet-proof front end: IIP3 = -11dBm
Excellent blocking immunity
Low RX current of 9.9mA, 200nA register retention
Fully integrated synthesizer with a resolution of 61Hz
FSK, GFSK, MSK, GMSK, LoRa and OOK modulation
Built-in bit synchronizer for clock recovery
Preamble detection
127dB Dynamic Range RSSI
Automatic RF Sense and CAD with ultra-fast AFC
Packet engine up to 256 bytes with CRC
Built-in temperature sensor and low battery indicator
Automated Meter Reading
Home and Building Automation
Wireless Alarm and Security Systems
Industrial Monitoring and Control
Long range Irrigation Systems
QFN 28
SX1276IMLTRT - Pb-free, Halogen free, RoHS/WEEE compliant product
| Manufacturer | Semtech | Brand | Semtech |
|---|---|---|---|
| Product Category | RF Transceiver | Minimum Operating Temperature | - 40 C |
| Frequency Range | 137 MHz to 1.02 GHz | Mounting Style | SMD/SMT |
| Maximum Data Rate | 300 kb/s | Number of Receivers | 1 |
| Modulation Format | FSK, GFSK, GMSK, MSK, LoRa, OOK | Number of Transmitters | 1 |
| Output Power | - 1 dBm to + 20 dBm | Sensitivity | - 111 dBm to - 148 dBm |
| Type | ISM | Factory Pack Quantity | 3000 |
| Operating Supply Voltage | 3.7 V | Supply Current Receiving | 12 mA |
| Maximum Operating Temperature | + 85 C | Supply Current Transmitting | 120 mA |
| Interface Type | SPI | Supply Voltage Max | 3.7 V |
| Package / Case | QFN-EP-28 | Supply Voltage Min | 1.8 V |
| Packaging | Reel | Tradename | LoRa |
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