From 7bb4ec2ab1a685c9b7d3cb1003ed5958c7b30c06 Mon Sep 17 00:00:00 2001 From: sh123 Date: Mon, 19 Dec 2022 11:12:09 +0200 Subject: [PATCH] Updated QRO external amplifier usage (markdown) --- QRO-external-amplifier-usage.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/QRO-external-amplifier-usage.md b/QRO-external-amplifier-usage.md index 43fd0f5..38b5186 100644 --- a/QRO-external-amplifier-usage.md +++ b/QRO-external-amplifier-usage.md @@ -1,4 +1,4 @@ -![alt text](https://raw.githubusercontent.com/sh123/esp32_loraprs/master/images/amp.png) +![alt text](https://raw.githubusercontent.com/sh123/esp32_loraprs/master/extras/images/amp.png) It is possible to get 30-40% TX only coverage increase in urban environment by using additional external 1-2W amplifier (about 6$ on Aliexpress), which will give 10-12 dB signal increase, achieved approximately 20 km coverage in moderate urban environment and about 15 km with almost 100% packet receiving.