The RF-WM-ESP32B1 from RF-star is a RF Module with Frequency 2412 to 2484 MHz, Data Rate up to 150 Mbps, Supply Voltage 3 to 3.6 V, Output Power 18.5 dBm, Sensitivity -88.6 to -71.4 dBm (WiFi), -105 to -93 dBm (Bluetooth). More details for RF-WM-ESP32B1 can be seen below.