By using an outdoor external antenna, you can extend the coverage of your EnGenius telephone system outdoors. You can use the SN-UL-AK20L (Outdoor Antenna & Cable Kit). It works with the following model:
Durafon SIP
Durafon PRO
Durafon UHF
Durafon TAP
Durafon 1X
Freestyl1
Freestyl2
For more information, please click on the image below: