RP002-1.0.5 states that max TX power is 16 for eu868. Later, more subtle TX power tactics will be implemented. (#866)

jhelberg · Joost Helberg · web-flow · commit b8d2a8426342 · 2026-05-17T07:59:34.000+02:00
Co-authored-by: Joost Helberg &lt;joost@helberg.nl&gt;
diff --git a/lora/lorawan/region/eu868.go b/lora/lorawan/region/eu868.go
@@ -3,8 +3,8 @@ package region
 import "tinygo.org/x/drivers/lora"
 
 const (
-	EU868_DEFAULT_PREAMBLE_LEN = 8
-	EU868_DEFAULT_TX_POWER_DBM = 20
+	EU868_DEFAULT_PREAMBLE_LEN = 8  // page 103 RP002-1.0.5
+	EU868_DEFAULT_TX_POWER_DBM = 16 // page 36 RP002-1.0.5, 16 is the max
 )
 
 type ChannelEU struct {

Original file line number	Diff line number	Diff line change
`@@ -3,8 +3,8 @@ package region`
`3`	`3`	`import "tinygo.org/x/drivers/lora"`
`4`	`4`
`5`	`5`	`const (`
`6`		`- EU868_DEFAULT_PREAMBLE_LEN = 8`
`7`		`- EU868_DEFAULT_TX_POWER_DBM = 20`
	`6`	`+ EU868_DEFAULT_PREAMBLE_LEN = 8 // page 103 RP002-1.0.5`
	`7`	`+ EU868_DEFAULT_TX_POWER_DBM = 16 // page 36 RP002-1.0.5, 16 is the max`
`8`	`8`	`)`
`9`	`9`
`10`	`10`	`type ChannelEU struct {`