D1-8
■ 系列編號
■ 系列下機型編號
U3系列
U3S
U3A1
U3A2
U4S
U4A1
U4A2
U4系列
D
Radio Function
D3 Voice / text /
image
sending and
receiving
D4 Switch the
radio into the
signal repeater
mode, it can
extend the
communicatio
n distance,
enlarge the
signal
coverage
range, and
overcome the
terrain and
obstacles on
the scene.
D5 Encryption for
communication
1. Under the analog system, it is able to
receive and send the text and image
message only in the protocol MDC 1200
and Uni DVOA.
2. Under the digital signal system, both
text and photo messages can be
received and sent in DMR,
P25(C),P25(T) / Phase #1 and P25(T) /
Phase #2.
1. The function can be switched manually
and remoted by the on-site commander
at the OTAC.
2. The extension of communication
distance and signal coverage area
depend on the length of antenna and
the height of position. It is usually two
times of the original communication
distance.
1. AES 256 Encryption for the voice, text
and image delivering and receiving.
D6 Setting
function for
diverse
receiving
mode and
receiving chart
1. System setting :
a. Talk Around Mode
b. Conventional Mode
c. Trunking Mode
d. Scan Mode
2. Receiving mode setting :
a. When the working system setting of
the specific channel is Convention or
Talk Around, it can be set into the
following receiving mode:
a1. Single band and multiple
receiving group
a2. Multiple frequency (Assign a main
frequency. Then, scan in the
following way: Main→Sub1→
Sub2→Main)
b. Listening (Scanning) frequency and
band width setting
c. Listening (Scanning) frequency
protocol setting (Digital and analog)
d. Set multiple groups in each
frequency. It is no need to set the
group in the analog system since it
can not be distinguish.
e. Stay time when scanning. It is
necessary to set the stay time in each
frequency when a specific channel is
set as the multiple frequency
scanning mode.
f. Reply to the message : If a specific
frequency is set as the multiple
frequency scanning mode, when the
radio scan that receiving the voice
message, the receiving side can press
the PTT to reply.
▄
Handheld Radio Series
▄
Model of Handheld Radio Series
U3 Series
U3S
U3A1
U3A2
U4S
U4A1
U4A2
U4 Series
PART D. U Series Portable Radio Specification & Function Description
