diff --git a/components/iperf/iperf.c b/components/iperf/iperf.c
index 03b59f3..a5e047a 100644
--- a/components/iperf/iperf.c
+++ b/components/iperf/iperf.c
@@ -285,7 +285,7 @@ static esp_err_t iperf_start_udp_client(iperf_ctrl_t *ctrl) {
     int64_t last_rate_check = esp_timer_get_time();
     uint32_t packets_since_check = 0;
     int32_t packet_id = 0;
-
+    uint32_t current_rate_check_interval_us = MIN_RATE_CHECK_INTERVAL_US;
     struct timespec ts;
 
     while (!ctrl->finish && esp_timer_get_time() < end_time) {
@@ -320,8 +320,19 @@ static esp_err_t iperf_start_udp_client(iperf_ctrl_t *ctrl) {
         }
 
         now = esp_timer_get_time();
-        if (now - last_rate_check > RATE_CHECK_INTERVAL_US) {
+        // Modified check to use dynamic interval
+        if (now - last_rate_check > current_rate_check_interval_us) {
             uint32_t interval_us = (uint32_t)(now - last_rate_check);
+
+             // Dynamic Interval Calculation ---
+             uint32_t config_pps = iperf_get_pps();
+             if (config_pps > 0) {
+                 // Calculate time needed to send 25 packets based on the CONFIG PPS
+                 uint32_t needed_time_us = (25ULL * 1000000ULL) / config_pps;
+                 // Set new interval: needed_time_us, but not lower than 250ms
+                 current_rate_check_interval_us = (needed_time_us > MIN_RATE_CHECK_INTERVAL_US) ? needed_time_us : MIN_RATE_CHECK_INTERVAL_US;
+            }
+
             if (interval_us > 0) {
                 // Calculate Instantaneous PPS
                 s_stats.actual_pps = (uint32_t)((uint64_t)packets_since_check * 1000000 / interval_us);