D1-6
■ 系列編號
■ 系列下機型編號
U3系列
U3S
U3A1
U3A2
U4S
U4A1
U4A2
U4系列
C10 Resistance
to the
interference
Signal Delay
Spread
C4FM
Standard Simulcast
50 us
80 us
50 us
80 us
C11 Signal Delay
Spread
Capability
No talk group or encryption
Talk group only
Encryption group only
Both (on clear or encrypted channel)
< 125 ms
< 370 ms
< 370 ms
< 460 ms
< 125 ms
< 370 ms
< 370 ms
< 460 ms
C12 Squelch
Opening
SINAD
CTCSS
CDCSS
≦ 8 dB
≦ 10 dB
C13
Receiver
Audio
Attack Time
≦ 250 ms
≦ 350 ms
≦ 250 ms
≦ 350 ms
CTCSS
CDCSS
C14 CTCSS
Decoder
Response
Bandwidth
> next lower CTCSS Tone
Code x 1.005 Hz
< next higher CTCSS Tone
Code x 0.995 Hz
< selected CTCSS Tone Code
x 0.995 Hz
> selected CTCSS Tone Code
x 1.005 Hz
> next lower CTCSS Tone
Code x 1.005 Hz
< next higher CTCSS Tone
Code x 0.995 Hz
< selected CTCSS Tone Code
x 0.995 Hz
> selected CTCSS Tone Code
x 1.005 Hz
F LOW
F HIGH
F LOW
F HIGH
≦ 8 dB
≦ 10 dB
C1 Conducted Carrier Output Power Rating
≧ 5 Watts
C2 Carrier Frequency Stability
≦ 3 ppm
C3
Modulation Limiting
3 ~ 5 KHz
3 ~ 5 KHz
≦ 3 ppm
≧ 5 Watts
C9 Co-Channel Rejection
< 9 dB
< 9 dB
C
Features and specifications (RF RX)
C
Feature and Specification (RF TX)
C4 Carrier
Attack Time
/ Transmitter
attack time
Digital / The transmitter power attack time
Digital / The transmitter encoder attack
time
Analog / The transmitter power attack
time
+/- 2.5 kHz
+/- 4.0 kHz
+/- 5.0 kHz
Analog / < 20 kHz
Analog / > 20 kHz
Digital / > 20 kHz
C5 Transmitter Power and Encoder Attack time with Busy Idle
Operation
C6 Audio Distortion
C7 FM Hum and
Noise Ratio
60 dBc
70 dBc
60 dBc
C8 AM Hum and Noise Ratio
C9 Unwanted Emissions: Radiated Spurious
C10 Adjacent
Channel
Power Ratio
70 dB
≧34 dB
≧34 dB
≧38 dB
≧40 dB
10 %
≦ 30 ms
≦ 50 ms
≦ 100 ms
≦ 100 ms
60 dBc
70 dBc
60 dBc
70 dB
≧34 dB
≧34 dB
≧38 dB
≧40 dB
10 %
≦ 30 ms
≦ 50 ms
≦ 100 ms
≦ 100 ms
▄
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
