EnGenius Technologies DuraFon 4X User Manual
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9
Congratulations
 
You have purchased an exceptional business communications tool 
from a leading telephone system manufacturer. 
 
The EnGenius DuraFon 4X 4-line Industrial Cordless Telephone 
System is ideal for the users in various business settings. The 
DuraFon 4X is the longest range, multi-line telephone and 2-way 
radio communications system providing users unparallel mobility 
and flexibility. 
 
With sophisticated digital signal processing and high quality 
hardware designs, the DuraFon 4X provides long-range telephone 
connections and 2-way handset-to-handset communications in a 
wide variety of business settings from multi-level office buildings, 
factories, hotels/resorts, convention facilities, warehouses, farms, 
business complexes, construction sites, school, car dealerships, 
grocery, retail stores and other demanding business environments. 
 
The unique 2-way radio feature allows handsets to communicate 
with each other as digital, full-duplex 2-way radios. Members of 
work group(s) can be in contact with their co-workers while leaving 
phone lines available for incoming and outgoing calls. Handsets 
that are within range of each other can use the 2-way feature even 
while out of range of the base station. DuraFon 4X can support up 
to 90 handsets. 
 
Important Warranty Note: 
U.S. customers: This EnGenius product has NO manufacturer’s 
warranty unless purchased from an EnGenius Authorized Reseller. 
To verify a reseller is authorized, please visit our website at: 
www.engeniustech.com or contact us at 714-432-8668. 
 
 
 
 
10
Equipment Checklist
1. In a Base + Handset package, please find the following
components:
a. Base Station x 1
b. Base Antenna x 1
c. Base AC/DC Adaptor x 1
d. Handset x 1
e. Low Profile Handset Antenna x 1
f.
Optimal Performance Handset Antenna x 1
g. 1700mA Li-ion Battery Pack x 1
h. Charger x 1
i.
Charger AC/DC Adaptor x 1
j.
Telephone Cord x 4
k. Belt Clip x 1
h
User’s Manual, Quick Guide, and Warranty Card
2. In a Handset package, please find the following components: 
 
a. Handset x 1
b. Low Profile Handset Antenna x 1
c. Optimal Performance Handset Antenna x 1
d. 1700mA Li-ion Battery Pack x 1
e. Charger x 1
f.
Charger AC/DC Adaptor x 1
g. Belt Clip x 1
h. Quick Guide, and Warranty Card
3. Optional
Accessories
a. Outdoor Antenna Kit (including antenna and cable)
b. Lightning Protection Kit (including cable)
c.
DuraPouch
d.
Belt
Clip
e.
Spare
Battery
f.
Low Profile Handset Antenna
g. Optimal Performance Handset Antenna
h.
Headset
i.
Antenna Splitter (including cable)
j.
Audio-in
Cable
