diff --git a/Configuration-parameters.md b/Configuration-parameters.md
index 4260ee1..da85e3e 100644
--- a/Configuration-parameters.md
+++ b/Configuration-parameters.md
@@ -5,7 +5,8 @@
 | Compile time | | MODULE_NAME | RadioLib module name, see https://github.com/jgromes/RadioLib/wiki/Modules |
 | General | LogLevel | CFG_LOG_LEVEL | One of LogDebug library levels (`DebugLogLevel::LVL_INFO` default, set to `DebugLogLevel::LVL_TRACE` for sent/received data logging, set to `DebugLogLevel::LVL_NONE` to disable USB serial logging) |
 | General | IsClientMode | CFG_IS_CLIENT_MODE | `true` - enable normal/client mode, `false` - run in APRS iGate mode |
-| LoRa | LoraFreq | CFG_LORA_FREQ | LoRa module frequency in Hz |
+| LoRa | LoraFreqRx | CFG_LORA_FREQ_RX | LoRa module RX frequency in Hz |
+| LoRa | LoraFreqTx | CFG_LORA_FREQ_TX | LoRa module TX frequency in Hz (set to different values for split operation) |
 | LoRa | LoraBw | CFG_LORA_BW | LoRa module bandwidth in Hz|
 | LoRa | LoraSf | CFG_LORA_SF | Spreading factor from 6 up to 12 |
 | LoRa | LoraCodingRate | CFG_LORA_CR | Coding rate from 5 up to 8|