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P/N 466-5227
• REVA • ISS 26AUG15
ZeroWire Reference Guide
©2015 United Technologies Corporation
7.4 Install External Antenna
– Optional
Complete this section only if signal strength is between -121 to -89.
Unplug power supply from receptacle and remove battery from ZeroWire.
Disconnect the antenna cable from the radio module.
Gently pull retaining clips outwards and remove the rear circuit board. This is the internal
antenna which will no longer be needed.
Back View
Connect the internal antenna cable from the ZeroWire to the radio module.