Adafruit Thermocouple Amplifier...
This module uses the nRF24L01 integrated circuit, which is a low cost highly integrated RF transceiver, which operates in the standard ISM brand and is capable of data rates up to 2 Mbps.
Miniature Long Range nRF24L01 Trasnceiver PA + LNA (with a single line of pins)
This is a 2.4 GHz nRF24L01 transceiver with PA and LNA circuit on board. With its antenna, it can reach 1100 meters transmission distance making it ideal for long-range communication for your project.