Polycom Conference Phone Owner's Manual page 15

Power Insertion Cable
2
3
4
1
25-foot Network Cable
Power Adapter
5
Option 2: Connect the Conference Phone wirelessly within 40'
using the Wireless Adapter
The wireless adapter allows a Conference Phone to be used
without a cord connecting it to the local network but requires the use
of the optional Wireless Transmitter. The range of the Wireless
Adapter is 40 feet from the optional Wireless Transmitter.