From fc98c3d12e330d350fde164aed5032508a5faf57 Mon Sep 17 00:00:00 2001 From: sh123 Date: Sat, 23 Oct 2021 21:33:49 +0300 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 2b72f94..43fd0f5 100644 --- a/QRO-external-amplifier-usage.md +++ b/QRO-external-amplifier-usage.md @@ -2,7 +2,7 @@ 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. -- Implement simple amplifier power switching by using relay, do NOT keep this amplifier always ON +- Implement simple amplifier power switching by using relay from one of free ESP32 pinouts, use one of popular schematics from google, do NOT keep this amplifier always ON - Set LoRa output power to around 8 dBm `cfg.LoraPwr = 8;`, NB! higher than 10 dBm levels can destroy amplifier - Set `cfg.PttEnable` to `true` - Set `cfg.PttPin` to your relay control pin