diff --git a/static/js/shop_data.js b/static/js/shop_data.js
index aa558ab..49d2844 100644
--- a/static/js/shop_data.js
+++ b/static/js/shop_data.js
@@ -398,6 +398,7 @@ const shop_data = {
         '2 channels of 5 MS/s ADC (similar to Sampler)',
         'Artix-7 FPGA',
         'Internal MMCX clock from Kasli/Clocker and external SMA',
+        'The upconverter is optional, if you would like the baseband version please leave us a note.'
       ],
       size: 'small',
       type: 'urukul',