RFM95W - TX Evaluation
https://www.hoperf.com/modules/lora/RFM95.html
Input Voltage: 1.8V-3.9V
Cost Per Part: <$10 - Much Cheaper Than XBEE
Peak Current: 120mA
Link Budget:
Breakout Board(s)
https://www.soselectronic.com/products/various/rfm95w-868-s2-bob-342652
https://www.adafruit.com/product/3072