[Working frequency]：400~470MHz

[Transmit power]：30dBm

[Communication distance]：5km

[Receive gain]：15dBm

[Transmit gain]：12dBm

[Product weight]：3.2±0.1g

[Size]：27.5*18mm

[Introduction]：E21-400G30S is a pure hardware RF mid-power amplifier (PA) launched by Chengdu Ebyte Company, with a maximum output power of 1W, covering a frequency range of 410 to 470MHz. The module has a built-in LNA low-noise amplifier, which can greatly improve wireless communication distance.