What's in the box:

433MHz 5W RF Power Amplifier 20dB Broadband RF Signal Power Amplifier Module (Standard)

Features:
Suitable for all kinds of 380--450MHz launch use, such as: wireless remote control, walkie-talkie and other launch use.
Perfectly solves the problem of signal instability and signal fragility.
Maximum output: 2.5W (34dBm) 5.0V power supply, 5.0W (37dBm) 7.2V power supply, 8.0W (39dBm) 10.0V power supply (not recommended).
Equipped with heat sink, long-term stable operation.
PCB + aluminum alloy material manufacturing ensuring maximum durability.

Specifications:
Operating frequency: 380--450MHz
Input power: 0.1W (20dBm)
Maximum output: 2.5W (34dBm) 5.0V power supply
5.0W (37dBm) 7.2V power supply
8.0W (39dBm) 10.0V power supply (not recommended)
Operating voltage: 5 - 7.2V (DC)
Operating current: 1 - 2A (determined by output power)
RF connector: standard SMA female head
Dimensions: 50 * 50 * 15mm (L * W * H)
Product weight: 55g

Package includes:
1 x RF Power Amplifier