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

$27.99

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...

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Excellent

4.9 average

39 reviews

P***r

Verified purchase

We use these as a connection for our RTK GPS units on our irrigation machines and find them to be very reliable and great value.

AU 04/26/2024

R***n

Verified purchase

Awesome component. It would be better yet if the inputs were 5 tolerant. Same advice for all of your 5V products.

US 04/17/2024

R***s

Verified purchase

It's not intended for sending photos but I do it routinely. A 320x240 image sends in about 6 seconds. It would be nice if it were faster but when I set it for more than 57.6 KBaud, the image is corrupted. Great product!

US 04/02/2024

F***o

Verified purchase

Perfect!

03/27/2024

W***d

Verified purchase

Project used Renzo Mischianti's EByte E220 library. E220-900T30D was easy to work with and performed to expectations. Renzo's E220 blog, articles helped with basic configuration, WOR, and structured messaging. Without Renzo's E220 blog articles; project would have failed!

03/23/2024