8. Joint model: SMA female head (inner hole of outer screw).
9. Note: additional heat sink is required
Important reminder
Before using the RF amplification module sold in our store, it is necessary to ensure that all instruments and equipment are grounded together (without potential difference), Then connect with an RF cable, and be sure to connect to the load. It is strictly prohibited to use it without load, especially for power amplifiers. Be sure to use a "serious" antenna, especially when using the antenna as a load. Ensure that the impedance of the antenna matches within the working frequency (generally requiring a voltage standing wave ratio of less than 2.0). It is strictly prohibited to use "unprofessional" antennas, such as rod antennas, copper wire antennas, and expensive antennas that have no definite impedance. Try to use a linear power supply as much as possible, especially when using a low-noise amplifier. It is necessary to use a linear power supply or battery. The noise of the switching power supply itself is very high, and these noises will be connected to the amplification circuit. Do not use a switching power supply.