diff --git a/qick_lib/qick/VERSION b/qick_lib/qick/VERSION
index a78d2d6b..07267c51 100644
--- a/qick_lib/qick/VERSION
+++ b/qick_lib/qick/VERSION
@@ -1 +1 @@
-0.2.406
+0.2.413
diff --git a/qick_lib/qick/rfboard.py b/qick_lib/qick/rfboard.py
index 09216a47..00f888cb 100644
--- a/qick_lib/qick/rfboard.py
+++ b/qick_lib/qick/rfboard.py
@@ -1542,6 +1542,12 @@ def enable_dc(self, gain):
     def get_gain(self):
         pass
 
+class AbsDacBalunChain(ABC):
+    pass
+
+class AbsAdcBalunChain(ABC):
+    pass
+
 class AdcRfChain111(AbsAdcRfChain):
     def __init__(self, ch, switches, attn_spi):
         # Channel number.
@@ -1796,6 +1802,14 @@ def get_gain(self):
         with self.soc.board_sel.enable_context(self.card_num):
             return self.gain.get_gain()
 
+class DacBalunChain216(AbsDacBalunChain, Chain216):
+    def __init__(self, soc, card, global_ch, card_num, card_ch):
+        super().__init__(soc, card, global_ch, card_num, card_ch)
+
+class AdcBalunChain216(AbsAdcBalunChain, Chain216):
+    def __init__(self, soc, card, global_ch, card_num, card_ch):
+        super().__init__(soc, card, global_ch, card_num, card_ch)
+
 class DaughterCard216(ABC):
     NCH = None # channels per daughter card
     CARDNUM_OFFSET = None # DAC cards are 0-3, ADC cards are 4-7
@@ -1839,6 +1853,13 @@ class DacDcCard216(DaughterCard216):
     GPIO_OUTPUTS = [("PD%d"%(i), 0) for i in range(4)]
     NAME = 'DC Out'
 
+class DacBalunCard216(DaughterCard216):
+    NCH = 4
+    CARDNUM_OFFSET = 0
+    CHAIN_CLASS = DacBalunChain216
+    GPIO_OUTPUTS = [None]*4
+    NAME = 'Balun Out'
+
 class AdcRfCard216(DaughterCard216):
     NCH = 2
     CARDNUM_OFFSET = 4
@@ -1855,6 +1876,13 @@ class AdcDcCard216(DaughterCard216):
     GPIO_OUTPUTS = [("PD%d"%(i), 1) for i in range(2)] + [None]*2
     NAME = 'DC In'
 
+class AdcBalunCard216(DaughterCard216):
+    NCH = 2
+    CARDNUM_OFFSET = 4
+    CHAIN_CLASS = AdcBalunChain216
+    GPIO_OUTPUTS = [None]*4
+    NAME = 'Balun In'
+
 class BoardSelection:
     """
     This class is used to enable one daughter card on the RF Board for the ZCU216, V1.
@@ -2309,6 +2337,8 @@ def rfb_config(self, no_tproc):
                     card = DacDcCard216(card_num, self, gpio)
                 elif card_id == 3:
                     card = DacRfCard216(card_num, self, gpio)
+                elif card_id == 6:
+                    card = DacBalunCard216(card_num, self, gpio)
                 else:
                     card = None
             if card is None:
@@ -2331,6 +2361,8 @@ def rfb_config(self, no_tproc):
                     card = AdcDcCard216(card_num, self, gpio)
                 elif card_id == 2:
                     card = AdcRfCard216(card_num, self, gpio)
+                elif card_id == 5:
+                    card = AdcBalunCard216(card_num, self, gpio)
                 else:
                     card = None
             if card is None: