diff --git a/main.cpp b/main.cpp
index 3172089..7769780 100644
--- a/main.cpp
+++ b/main.cpp
@@ -176,7 +176,7 @@ static void brf_thread()
         return;
     }
     for(int i=0;i<2;i++) {
-        if((status = bladerf_set_frequency(brf_dev, BLADERF_CHANNEL_RX(i), 1'655'000'000)) != 0) {
+        if((status = bladerf_set_frequency(brf_dev, BLADERF_CHANNEL_RX(i), 81'000'000)) != 0) {
             std::cerr << "failed to set bladeRF frequency: " << bladerf_strerror(status) << std::endl;
             bladerf_close(brf_dev);
             return;