diff --git a/src/llcc68.cpp b/src/llcc68.cpp
index 52e36ee..927e583 100644
--- a/src/llcc68.cpp
+++ b/src/llcc68.cpp
@@ -879,7 +879,9 @@ LLCC68::set_packet_params(uint16_t preamble_length, uint8_t payload_length,
       crc_type,
       iq_type,
   };
-  return write_stream(RADIOLIB_SX126X_CMD_SET_PACKET_PARAMS, data);
+  auto r = write_stream(RADIOLIB_SX126X_CMD_SET_PACKET_PARAMS, data);
+  APP_RADIO_RETURN_ERR(r);
+  return fix_inverted_iq(iq_type);
 }
 
 expected<unit, error_code>
@@ -1307,6 +1309,10 @@ LLCC68::hal_async_flush(lora_parameters_t params) {
                                              params.packet_params.hdr_type,
                                              params.packet_params.iq_type),
                            "tx::set_packet_params");
+  auto chip_type_ = hal_get_chip_type();
+  APP_RADIO_RETURN_ERR_CTX(chip_type_, "tx::get_chip_type");
+  APP_RADIO_RETURN_ERR_CTX(hal_set_output_power(*chip_type_, params.tx_params),
+                           "tx::hal_set_output_power");
   APP_RADIO_RETURN_ERR_CTX(set_buffer_base_address(),
                            "tx::set_buffer_base_address");
   APP_RADIO_RETURN_ERR_CTX(flush_tx_buffer(), "tx::flush_tx_buffer");
@@ -1360,6 +1366,10 @@ LLCC68::hal_gfsk_async_flush(gfsk_parameters_t params) {
   packet_params.payload_length = static_cast<uint8_t>(data().tx_xfer_size);
   APP_RADIO_RETURN_ERR_CTX(set_gfsk_packet_params(packet_params),
                            "gfsk_tx::set_packet_params");
+  auto chip_type_ = hal_get_chip_type();
+  APP_RADIO_RETURN_ERR_CTX(chip_type_, "gfsk_tx::get_chip_type");
+  APP_RADIO_RETURN_ERR_CTX(hal_set_output_power(*chip_type_, params.tx_params),
+                           "gfsk_tx::hal_set_output_power");
   APP_RADIO_RETURN_ERR_CTX(set_buffer_base_address(),
                            "gfsk_tx::set_buffer_base_address");
   APP_RADIO_RETURN_ERR_CTX(flush_tx_buffer(), "gfsk_tx::flush_tx_buffer");