Transmitter receiver module long range 3000m 868-915MHz Road SX1276 module
Porduct Descriptioon
RL-SX1278-868 is a high-performance, low-power, long-range micro-power wireless module, internal automatic spread spectrum calculation and hardware verification processing, users do not need to understand too complex RF knowledge, and hardware tuning, Debug the underlying SPI communication, and understand the meaning of the function. You can easily apply this module. The module is ideal for applications such as long distance, low data volume and low power consumption. Module RF chip based on spread spectrum frequency hopping technology, in the stability, anti-jamming capability and receiver sensitivity are beyond the existing GFSK RF module

Specification
Technical indicators
Parameters Mark
Operating Voltage
DC 2.1V to 3.6V
working frequency
868-915MHz
Modulation mode
LoRa
Output Power
+20dBm
Emission current
<120mA
The transmit power is +20dBm
Receiving sensitivity
-136dBm
Receive current
<10.8mA
Sleep current
<1uA
antenna
PCB antenna
Working humidity
10% to 90% relative humidity
Operating temperature
-20 ~ 80 ° C
Size
15mm*24mm*1.6mm
Attention
1. The supply voltage of the module will affect the transmit power. In the operating voltage range, the lower the voltage, the smaller the transmit power.
2. When the operating temperature of the module changes, the center frequency will change as long as it does not exceed the operating temperature range and does not affect the application.
3. The antenna has a great impact on the communication distance. Please install the module correctly.
4. The installation of the module will affect the communication distance.
Feature
1.Support 868~915Mhz
2.Based on LoRa spread spectrum modulation technology
3.Receive the maximum sensitivity of -148dBm, the maximum transmit power +20 dBm
4.2.1 - 3.6V wide voltage range
5.Support FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation mode
6.low power consumption, 9.9mA low receive current, 200nA register to keep current
7.Half-duplex SPI communication
8.Small size: 15*24mm
9.External antenna
Module pin and size

Application
1.Automatic meter reading
2.Home and building automation
3.Wireless alarm and security system
4.Industrial monitoring and control
5.Embedded device data transmission
6.Remote irrigation system