diff --git a/README.md b/README.md
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--- a/README.md
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 # esp32 LoRa Monitor + LoRaWAN Node
-V2.1-ttgo-lora32.bin für LilyGo TTGO LoRa esp32 (T3_V1.6.1) + SD Support   
+V2.1-ttgo-lora32.bin für LilyGo TTGO LoRa esp32 (T3_V1.6.1) + SD Support  (868/915 or 433)    
 V2.1-heltec-lora32_V2.bin für Heltec WIFI LoRa esp32 V2 
 
 * web server