diff --git a/src/rtl_rpcd.c b/src/rtl_rpcd.c
index 2de34d9..40c38f5 100644
--- a/src/rtl_rpcd.c
+++ b/src/rtl_rpcd.c
@@ -817,6 +817,24 @@ static int handle_query
       break ;
     }
 
+  case RTLSDR_RPC_OP_SET_AGC_MODE:
+    {
+      uint32_t did;
+      uint32_t on;
+
+      PRINTF("set_agc_mode()\n");
+
+      if (rtlsdr_rpc_msg_pop_uint32(q, &did)) goto on_error;
+      if (rtlsdr_rpc_msg_pop_uint32(q, &on)) goto on_error;
+
+      if ((rpcd->dev == NULL) || (rpcd->did != did)) goto on_error;
+
+      err = rtlsdr_set_agc_mode(rpcd->dev, (int)on);
+      if (err) goto on_error;
+
+      break ;
+    }
+
   case RTLSDR_RPC_OP_RESET_BUFFER:
     {
       uint32_t did;
diff --git a/src/rtlsdr_rpc.c b/src/rtlsdr_rpc.c
index 1392a7f..cbb7abe 100644
--- a/src/rtlsdr_rpc.c
+++ b/src/rtlsdr_rpc.c
@@ -831,10 +831,26 @@ int rtlsdr_rpc_set_testmode(void* devp, int on)
   return err;
 }
 
-int rtlsdr_rpc_set_agc_mode(void* dev, int on)
+int rtlsdr_rpc_set_agc_mode(void* devp, int on)
 {
-  UNIMPL();
-  return -1;
+  rtlsdr_rpc_dev_t* const dev = devp;
+  rtlsdr_rpc_cli_t* const cli = dev->cli;
+  rtlsdr_rpc_msg_t* const q = &cli->query;
+  rtlsdr_rpc_msg_t* const r = &cli->reply;
+  int err = -1;
+
+  rtlsdr_rpc_msg_reset(q);
+  rtlsdr_rpc_msg_set_op(q, RTLSDR_RPC_OP_SET_AGC_MODE);
+  if (rtlsdr_rpc_msg_push_uint32(q, dev->index)) goto on_error_0;
+  if (rtlsdr_rpc_msg_push_uint32(q, (uint32_t)on)) goto on_error_0;
+
+  if (send_recv_msg(cli, q, r)) goto on_error_0;
+
+  err = rtlsdr_rpc_msg_get_err(r);
+  if (err) goto on_error_0;
+
+ on_error_0:
+  return err;
 }
 
 int rtlsdr_rpc_set_direct_sampling(void* dev, int on)