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. IoT 

RC-SM1278-433

RC-SM1278-433RC-SM1278-433

LORA Module RC-SM1278-433 based on Semtech SX1278

Frequency band : 433MHz

 

It’s a SX1278 LoRa module with SPI interface. The RC-SM1278-433module is designed based on SX1278. The SX1278 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.

Datasheet

Ta = 25°C unless otherwise specified

Technical Characteristics
Min
Typ
Max
Unit
Supply Voltage
1.8
3.6
Volt
Supply Current RX mode Bands 2&3
12.00
13.00
mA
Supply Current Sleep Mode
0.20
1
µA
Supply Current Transmit Mode RFOP=+20dBm
120
130
mA
RF Power Output(for LORA Modulation)
+18
+20
dBm
RF Sensitivity (for LORA Modulation)
-139
dBm
Operating Frequency band
433
MHz
Operative Temperature Range
-20
+75
°C

 

For more information and details consult the datasheet of the SX1278 chip from Semtech website.

Pin Outs

Mechanical Dimension

Schematics

Information Request:

Download Datasheet

Download RadioControlli

Catalog

Link to Buy Samples

RC-SM1278-433

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