Siretta delta direct connect antennae siretta delta14smamsrp11 the siretta delta 14 is a direct connect stubby antenna tuned to 24ghz the wifi wlan bluetooth zigbee frequencies and has a straight reverse polarity sma connector despite its small size of only 56mm in length it performs at a high level outperforming most other stubby antennas the delta 14 offers a small and compact cable free antenna solution that is ideal for use with wifi enabled terminals and modemsavoid