diff --git a/src/osmo_gsm_tester/resource.py b/src/osmo_gsm_tester/resource.py
index 246b196..1b18076 100644
--- a/src/osmo_gsm_tester/resource.py
+++ b/src/osmo_gsm_tester/resource.py
@@ -75,6 +75,7 @@
         'bts[].osmo_trx.remote_user': schema.STR,
         'bts[].osmo_trx.dev_args': schema.STR,
         'bts[].osmo_trx.multi_arfcn': schema.BOOL_STR,
+        'bts[].osmo_trx.max_trxd_version': schema.UINT,
         'arfcn[].arfcn': schema.INT,
         'arfcn[].band': schema.BAND,
         'modem[].type': schema.STR,
diff --git a/src/osmo_gsm_tester/templates/osmo-bts-trx.cfg.tmpl b/src/osmo_gsm_tester/templates/osmo-bts-trx.cfg.tmpl
index 677b047..2239f74 100644
--- a/src/osmo_gsm_tester/templates/osmo-bts-trx.cfg.tmpl
+++ b/src/osmo_gsm_tester/templates/osmo-bts-trx.cfg.tmpl
@@ -23,6 +23,9 @@
 phy 0
  osmotrx ip local ${osmo_bts_trx.osmo_trx.bts_ip}
  osmotrx ip remote ${osmo_bts_trx.osmo_trx.trx_ip}
+%if osmo_bts_trx.get('osmo_trx').get('max_trxd_version', False):
+ osmotrx trxd-max-version ${osmo_bts_trx.osmo_trx.max_trxd_version}
+%endif
 %for chan in osmo_bts_trx.osmo_trx.channels:
  instance ${loop.index}
   osmotrx rx-gain 25