80-H025-00 1.9GHz Hotel Cordless Phone Cover Letter A1420- Declaration Letter VTech Telecommunications Ltd
VTech Telecommunications Ltd 1.9GHz Hotel Cordless Phone
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VTech Telecommunications Ltd
Date: Aug 2, 2010
To whom it may concern,
FCC ID: EW780-H025-00
I, the undersigned, hereby declare that
1. The device does not use the provisions of 47CFR 15.323 (c) (6), random waiting mechanism is not used in this
2. The provisions of 47CFR 15.323 (c) (10) and 47CFR 15.323 (c) (11) are not used to extend the range of spectrum
occupied over space or time for the purpose of denying fair access to spectrum to other devices.
3. Only the handset will act as the initiating device, which will initiate the establishment of the duplex connection.
4. The device complies with the provisions of 47CFR 15.319(f). The device shall automatically discontinue transmission
in case of either absence of information to transmit or operational failure. These provisions are not intended to
preclude transmission of control and signal information or use of repetitive codes used by certain digital technologies
to complete frame or burst intervals. The following table explains the reaction of device in case of either absence of
information to transmit or operational failure after a connection of its companion device is established.
Circumstances Reaction of Base Unit Reaction of Handset
1 Switch-off companion device N/A N/A
2 On Hook by companion device B N/A
3 Remove power from companion device B A
4 Switch-off device N/A N/A
5 On hook device N/A C
6 Remove power from device A C
A – Connection is terminated and, transmission ceases.
B – Connection is terminated but device transmits control or signal information.
C – Connection is terminated but companion device transmits control or signal information.
NA – Not applicable
If you have questions or need further information, please contact the undersigned.
Name: Samson Man
Title: Approbation Supervisor