Ebyte E21-230G37S 37dBm 20km RF Gain Power Amplifier PA High Power 230MHz 433MHz Power Amplifier PA Wireless Module

E21-230G37S Power amplifier PA module second harmonic and power Long-distance communication LNA low noise amplifier [Communication interface]：stamp hole [Transmitting power]：37dBm [Communication distance]： 20km [Receive gain]：15dBm [Introduction]：E21-230G37S is a pure hardware RF medium power amplifier (PA) with a maximum output power of 37dBm and a frequency range of 220 to 236MHz. It has a built-in LNA low noise amplifier and uses high-quality PA chips + unique design solutions to greatly improve PA working efficiency and enable continuous data transmission at an ambient temperature of -40 to +85 degrees. It has built-in filters, limiters, and low noise coefficients to improve the receiving channel's receiving sensitivity and extend the communication distance. Main parameters performance Remark minimum value Typical value maximum value Power supply voltage(V) 4.5 5 5.5 ≥ 4.7V guaranteed output power PA control voltage (V) 7 7.5 8 It is recommended to use 7.