BFU520WF – NPN Wideband RF Transistor 8mm Red Straw Hat LED 3Chip (1800-2200mcd) (Pack of 500) you'll need an adapter with

you'll need an adapter with a minimum output of 2 amps

These regulators are simple to operate because they require only a few external components

Fast data transmission with low latency

Model MQ-4 Type Gas Sensor No

It will require an ADC converter to work with a Raspberry Pi

BFU520WF – NPN Wideband RF Transistor 8mm Red Straw Hat LED 3Chip (1800-2200mcd) (Pack of 500) you'll need an adapter withThe BFU520WF is a high performance NPN RF transistor designed for wideband applications in RF communication, low noise amplifiers (LNA), and signal processing circuits. This transistor provides low noise, high gain, and excellent linearity, making it suitable for high frequency applications such as wireless communication, satellite receivers, and industrial RF systems. Features High Gain and Low Noise Optimized for RF and microwave applications.