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AH40 External Antenna
The AH40 has the ability to transmit information and form a wireless external connection with all locks
using a 2.5 gHz connection along the 2400 – 2483,5 MHz frequency range using 16 individual channels.
This connection is protected using an AES 128 bit encryption for every connection. The Wireless
Transmission power is along 10 dBm/MHz and the peak value has been measured in accordance with EN
ETSI 300 328 Maximum spectral density.
The AH40 comes out of the box with the ability to connect using a forward propagating antenna located
inside the unit. It also has the ability to connect to an external antenna using the following steps.
1. Power Off the AH40 Unit by Disconnecting the Ethernet Cable if powered using the POE method or
Power Connector if using an external power source.
2. Locate the External Antenna Plug on the Upper-Right hand side of the unit. Gently Pry the cover from
the unit using your finger nail or a flat head screw driver.
!
Care should be taken when prying off cover so that the connectors located under
the cover
3. Connect the external antenna
to the connector. The antenna is
an Dipole antenna with a slight
dead zone for signal propagation
located on the top and bottom of
the external antenna post. The
antenna should be angled to be
perpendicular to the wireless device
locations it will be communicating
with.
Once you have connected the
external antenna. You will need
to Change the J400 Jumper to
Connect the Right-Two jumper pins
when facing the unit from the back.
You have now configured the unit to
be used with an external Antenna.
You may now reconnect the unit to
power and remount the unit to its
back plate as shown in the AH40
User manual From ASSA/Aperio®.
Integration Guide
Continued on the following page
Aperio Integration
Page 4