diff --git a/documents/images/Card-8.jpg b/documents/images/Card-8.jpg
new file mode 100644
index 000000000..a7b7a4551
Binary files /dev/null and b/documents/images/Card-8.jpg differ
diff --git a/software/firmware/source/SoftRF/src/platform/ESP32.cpp b/software/firmware/source/SoftRF/src/platform/ESP32.cpp
index 9b2a8df63..0a6c41c99 100644
--- a/software/firmware/source/SoftRF/src/platform/ESP32.cpp
+++ b/software/firmware/source/SoftRF/src/platform/ESP32.cpp
@@ -831,6 +831,10 @@ static void ESP32_setup()
 
         hw_info.revision = 12;
         hw_info.pmu = PMU_AXP2101;
+#if defined(USE_RADIOLIB)
+        /* reserved for HPD-16E */
+        lmic_pins.dio[0] = SOC_GPIO_PIN_TBEAM_RF_DIO1_V08;
+#endif /* USE_RADIOLIB */
       } else {
         WIRE_FINI(Wire1);
         hw_info.revision = 2;
diff --git a/software/firmware/source/SoftRF/src/platform/iomap/LilyGO_T22.h b/software/firmware/source/SoftRF/src/platform/iomap/LilyGO_T22.h
index 3a063fddd..0e2392820 100644
--- a/software/firmware/source/SoftRF/src/platform/iomap/LilyGO_T22.h
+++ b/software/firmware/source/SoftRF/src/platform/iomap/LilyGO_T22.h
@@ -22,6 +22,8 @@
 #define SOC_GPIO_PIN_TBEAM_RF_RST_V05   23
 // SX1262 BUSY
 #define SOC_GPIO_PIN_TBEAM_RF_BUSY_V08  32
+// SX1262 - DIO1, LR1121 - DIO11
+#define SOC_GPIO_PIN_TBEAM_RF_DIO1_V08  33
 // 1st I2C bus on the T-Beam
 #define SOC_GPIO_PIN_TBEAM_SDA          13
 #define SOC_GPIO_PIN_TBEAM_SCL          2
diff --git a/software/firmware/source/libraries/RadioLib/src/modules/LR11x0/LR11x0.cpp b/software/firmware/source/libraries/RadioLib/src/modules/LR11x0/LR11x0.cpp
index 6891cd59e..e1d2fd3b5 100644
--- a/software/firmware/source/libraries/RadioLib/src/modules/LR11x0/LR11x0.cpp
+++ b/software/firmware/source/libraries/RadioLib/src/modules/LR11x0/LR11x0.cpp
@@ -2452,7 +2452,7 @@ int16_t LR11x0::setDioIrqParams(uint32_t irq1, uint32_t irq2) {
 }
 
 int16_t LR11x0::setDioIrqParams(uint32_t irq) {
-  return(setDioIrqParams(irq, 0));
+  return(setDioIrqParams(irq, irq));
 }
 
 int16_t LR11x0::clearIrq(uint32_t irq) {