diff --git a/docs/README-airt.md b/docs/README-airt.md
index 655a0301..a8f93e5e 100644
--- a/docs/README-airt.md
+++ b/docs/README-airt.md
@@ -140,7 +140,7 @@ From gamutRF's source directory, and having obtained mini2_snr.pt:
 $ pip3 install torch-model-archiver
 $ mkdir /tmp/model_store
 $ wget https://raw.githubusercontent.com/pytorch/serve/master/examples/object_detector/yolo/yolov8/requirements.txt
-$ torch-model-archiver --force --model-name mini2_snr --version 1.0 --serialized-file /PATH/TO/mini2_snr.pt --handler torchserve/custom_handler.py --export-path /tmp/model_store -r requirements.txt
+$ torch-model-archiver --force --model-name mini2_snr --version 1.0 --serialized-file /PATH/TO/mini2_snr.pt --handler torchserve/custom_handler.py --extra-files torchserve/model_config.json --export-path /tmp/model_store -r requirements.txt
 ```
 
 # start torchserve
diff --git a/gamutrf/grscan.py b/gamutrf/grscan.py
index 2fcfc3b9..23b283f9 100644
--- a/gamutrf/grscan.py
+++ b/gamutrf/grscan.py
@@ -41,7 +41,6 @@ def __init__(
         gps_server="",
         igain=0,
         inference_min_confidence=0.5,
-        inference_nms_threshold=0.5,
         inference_min_db=-200,
         inference_model_server="",
         inference_model_name="",
diff --git a/gamutrf/scan.py b/gamutrf/scan.py
index 610f1f3a..d86cf016 100644
--- a/gamutrf/scan.py
+++ b/gamutrf/scan.py
@@ -221,16 +221,9 @@ def argument_parser():
         "--inference_min_confidence",
         dest="inference_min_confidence",
         type=float,
-        default=0.5,
+        default=0.25,
         help="minimum confidence score to plot",
     )
-    parser.add_argument(
-        "--inference_nms_confidence",
-        dest="inference_nms_threshold",
-        type=float,
-        default=0.5,
-        help="NMS threshold",
-    )
     parser.add_argument(
         "--inference_min_db",
         dest="inference_min_db",
diff --git a/orchestrator.yml b/orchestrator.yml
index 67d83584..1c0881e9 100644
--- a/orchestrator.yml
+++ b/orchestrator.yml
@@ -68,7 +68,7 @@ services:
       - --no-compass
       - --use_external_gps
       - --use_external_heading
-      - --inference_min_confidence=0.8
+      - --inference_min_confidence=0.25
       - --inference_min_db=-80
       - --inference_model_name=mini2_snr
       # - --external_gps_server=1.2.3.4
diff --git a/tests/test_torchserve.sh b/tests/test_torchserve.sh
index ee531bff..f84500ac 100755
--- a/tests/test_torchserve.sh
+++ b/tests/test_torchserve.sh
@@ -4,16 +4,26 @@ set -e
 TMPDIR=/tmp
 sudo apt-get update && sudo apt-get install -y jq wget
 sudo pip3 install torch-model-archiver
-cp torchserve/custom_handler.py $TMPDIR/
+cp torchserve/* $TMPDIR/
 cd $TMPDIR
 # TODO: use gamutRF weights here.
 wget https://github.com/ultralytics/assets/releases/download/v0.0.0/yolov8n.pt
 wget https://raw.githubusercontent.com/pytorch/serve/master/examples/object_detector/yolo/yolov8/requirements.txt
-torch-model-archiver --force --model-name yolov8n --version 1.0 --serialized-file yolov8n.pt --handler custom_handler.py -r requirements.txt
+# TODO: use gamutRF test spectogram image
+wget https://github.com/pytorch/serve/raw/master/examples/object_detector/yolo/yolov8/persons.jpg
+torch-model-archiver --force --model-name yolov8n --version 1.0 --serialized-file yolov8n.pt --handler custom_handler.py --extra-files model_config.json -r requirements.txt
+# -r requirements.txt
 rm -rf model_store && mkdir model_store
 mv yolov8n.mar model_store/
-# TODO: --runtime nvidia is required for Orin
+# TODO: --runtime nvidia is required for Orin, --gpus all for x86
 docker run -v $(pwd)/model_store:/model_store -p 8080:8080 --rm --name testts --entrypoint timeout -d iqtlabs/torchserve 180s /torchserve/torchserve-entrypoint.sh --models yolov8n=yolov8n.mar
-# TODO: use gamutRF test spectogram image
-wget https://github.com/pytorch/serve/raw/master/examples/object_detector/yolo/yolov8/persons.jpg
-wget -q --retry-connrefused --retry-on-host-error --body-file=persons.jpg --method=PUT -O- --header='Content-Type: image/jpg' http://127.0.0.1:8080/predictions/yolov8n | jq
+PRED=$(wget -q --retry-connrefused --retry-on-host-error --body-file=persons.jpg --method=PUT -O- --header='Content-Type: image/jpg' http://127.0.0.1:8080/predictions/yolov8n | jq)
+echo $PRED
+if [ "$PRED" = "" ] ; then
+  echo "error: no response from Torchserve"
+  exit 1
+fi
+if [ "$PRED" = "{}" ] ; then
+  echo "error: no predictions from Torchserve"
+  exit 1
+fi
diff --git a/torchserve/custom_handler.py b/torchserve/custom_handler.py
index ab40dbd7..7cde61d9 100644
--- a/torchserve/custom_handler.py
+++ b/torchserve/custom_handler.py
@@ -1,5 +1,6 @@
 # based on pytorch's yolov8n example.
 
+import json
 from collections import defaultdict
 import os
 
@@ -41,6 +42,9 @@ def initialize(self, context):
         properties = context.system_properties
         self.manifest = context.manifest
         model_dir = properties.get("model_dir")
+        # https://docs.ultralytics.com/modes/predict/#inference-arguments
+        with open("model_config.json", "r") as f:
+            self.model_config = json.load(f)
         self.model_pt_path = None
         if "serializedFile" in self.manifest["model"]:
             serialized_file = self.manifest["model"]["serializedFile"]
@@ -63,6 +67,10 @@ def _load_torchscript_model(self, model_pt_path):
         model.to(self.device)
         return model
 
+    def inference(self, data, *args, **kwargs):
+        kwargs.update(self.model_config)
+        return super().inference(data, *args, **kwargs)
+
     def postprocess(self, res):
         output = []
         for data in res:
diff --git a/torchserve/model_config.json b/torchserve/model_config.json
new file mode 100644
index 00000000..dabb2b05
--- /dev/null
+++ b/torchserve/model_config.json
@@ -0,0 +1,5 @@
+{
+  "conf": 0.25,
+  "iou": 0.7,
+  "half": false
+}