Specifications

Phones and Voice Applications
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See http://www.dect.org to determine which variant is appropriate for the country of operation.
For operation in the United States and Canada, use DECT 6.0. Standard DECT is used in the
United Kingdom.
The Standard DECT variant uses 10 RF carrier frequencies, while the DECT 6.0 variant has
only 5. Each RF carrier is then divided into 12 full duplex TDM channels. See table below for
the number of available channels.
To maintain performance and use all available channels, the maximum total number of active
Mitel Cordless (DECT) Handsets and Headsets in a specific area (phones with Cordless
Modules evenly distributed in the area) is shown below. The last column in the table provides
a density guideline for deploying Mitel Cordless (DECT) Handsets and Headsets. This number
is only a guideline - a number of factors, including the size of the installation and the site layout
may allow this density to be exceeded.
Table 26: Cordless Module and Accessory Part Numbers
Description Mitel Part Number Part Marking
Standard DECT Cordless Module 56008567B 56008567B
DECT 6.0 Cordless Module 56008567A 56008567A
Standard DECT Handset 56008564B 56008564B
DECT 6.0 Handset 56008564A 56008564A
Standard DECT Headset 57008904 100-79330049-00
DECT 6.0 Headset 57008905 100-79330059-00
Table 27: DECT Channel Capacity
Description Number of Available RF Carriers Number of Available Channels
Standard DECT (1880 - 1900MHz) 10 120
DECT 6.0 (1920 - 1930MHz) 5 60
Table 28: Maximum Number of Cordless Accessories
Description
Total Number of
Headsets and Handsets
Area in Square Meters
(Square Feet)
Headsets/Handsets per
Square Meter (Square
Foot)
Standard DECT 120 250 (820) 0.476 (0.044)
DECT 6.0 60 762 (2500) 0.265 (0.025)
Note: Each portable device (Handset or Headset) installed will partially consume a
channel even if it is not on a call - therefore giving each user both a Handset and Headset
counts as two channels used.