Technical indicator and performance details
|
|
NO.
|
Type
|
Indicator descriptions
|
Remarks
|
|
|
Model
|
DM311
|
|
|
一
|
character of transmitter
|
|
|
|
1
|
Frequency stability
|
1.25ppm
|
|
|
2
|
Output power
|
1W/5W
|
L/H output power
|
|
3
|
FM ways
|
11K0F3E/16K0F3E
|
12.5KHZ/25KHZ
|
|
4
|
4FSK digital FM
|
12.5KHz Data Only:7K60FXD 12.5KHz Data & Voice:7K60FXW
|
|
|
5
|
Digital vocoder
|
AMBE++
|
|
|
6
|
Digital protocol
|
ETSI-TS102 361-1,-2,-3
|
|
7
|
Modulation limiting
|
±2.5kHz@12.5kHz
|
|
8
|
Transmit SNR
|
-40dB
|
|
9
|
Transmit emission spurious interference
|
-36dBm < 1GHz, -30dBm > 1GHz
|
|
10
|
Adjacent channel power
|
-60dB
|
|
11
|
Adjacent transient
|
-50dB
|
|
12
|
Audio response
|
+1 ~ -3 dB
|
|
13
|
Audio distortion
|
< 5%
|
|
14
|
External microphone connector
|
-60DBM
|
optional
|
二
|
Characters of receiver
|
|
|
15
|
Analog sensitivity
|
0.35μV/-116dBm(20 dB SINAD)
0.22μV/-122dBm(12 dB SINAD)
|
|
16
|
Digital sensitivity
|
0.3μV /-117.4dBm (BER 5%)
|
|
17
|
Spurious
|
TIA603 70 dB; ETSI 65dB
|
|
18
|
Adjacent channel selectivity
|
60dB
|
|
19
|
Stray radiation suppression
|
70 dB
|
|
20
|
Blocking
|
80 dB
|
|
21
|
Rated audio power
|
1000mW
|
|
22
|
Audio distortion&rated audio distortion
|
3%
|
|
23
|
Audio response
|
+1 ~ -3 dB
|
|
24
|
Conducted spurious emission
|
-57 dBm<1 GHz, -47 dBm>1GHz ETS 300 086
|
|
三
|
Analog signal mode
|
|
|
25
|
CTCSS/DCS
|
√
|
|
26
|
2 tone
|
√
|
|
27
|
5 tone
|
√
|
|
28
|
Dual tone signaling
|
√
|
|
29
|
MDC signaling
|
√
|
|
四
|
Digital signal mode
|
|
|
30
|
Wireless forbidden decoding
|
√
|
|
31
|
Remote control decoding
|
√
|
|
32
|
Emergency remote decoding
|
√
|
|
33
|
Remote control time
|
10~120s
|
|
34
|
Digital emergency system
|
32
|
|
35
|
encoding
|
√
|
|
36
|
Decoding
|
√
|
|
37
|
Type of alarm
|
√
|
|
38
|
Mode
|
√
|
|
39
|
Recover channel
|
√
|
|
五
|
Contact
|
|
|
40
|
Digital
|
1000
|
contacts
|
41
|
Private call
|
√
|
|
42
|
Group call
|
√
|
|
43
|
All call
|
√
|
|
44
|
Max digital group list
|
256
|
|
45
|
Max members in scan list
|
16
|
|
六
|
Other functions
|
|
|
46
|
Max scan list
|
32
|
|
47
|
Max members in scan list
|
16
|
|
48
|
Hang time
|
0.5~10s
|
|
49
|
priority alarm
|
√
|
|
50
|
Scan list function
|
√
|
|
51
|
Priority CH1
|
√
|
|
52
|
Priority CH2
|
√
|
|
53
|
Talk
|
√
|
|
54
|
CTCSS/DCS decoding type
|
√
|
|
55
|
TX specified channel
|
√
|
|
56
|
Scan list
|
√
|
|
57
|
Auto scan
|
√
|
|
58
|
Allow talk around
|
√
|
|
59
|
Prohibit transmit
|
√
|
|
七
|
Digital mode
|
|
|
60
|
Color code
|
√
|
|
61
|
Location of repeater
|
√
|
|
62
|
Encryption option
|
√
|
|
63
|
Receive
|
|
|
64
|
Receiving frequency
|
√
|
|
65
|
Group list
|
√
|
|
66
|
Transmitting frequency
|
√
|
|
67
|
Power level
|
√
|
|
68
|
Transmitting time limits
|
√
|
|
69
|
TX accepted standard
|
√
|
|
70
|
contact list
|
√
|
|
71
|
alarm system
|
√
|
|
72
|
Confirm single call
|
√
|
|
八
|
analog mode
|
|
|
73
|
RX squelch type
|
√
|
|
74
|
Receiving CTCSS
|
√
|
|
75
|
Receiving signal system
|
√
|
|
76
|
VOX
|
√
|
|
77
|
Transmitting squelch type
|
√
|
|
78
|
Transmitting CTCSS
|
√
|
|
79
|
Transmit signal system
|
√
|
|
九
|
other
|
|
|
80
|
PC project
|
USB
|
|
81
|
Firmware upgrade
|
USB
|
|
82
|
battery
|
|
|
83
|
Battery save function
|
√
|
|
84
|
Low battery indication
|
√
|
|
85
|
Informations of the radio
|
|
|
86
|
Radio electronics serial number
|
√
|
|
87
|
Informations of wireless model (mode/frequency range/software of radio/hardware version/option board
|
√
|
|
88
|
Last programming date
|
√
|
|
89
|
Programmable key
|
3
|
|
90
|
forbidden
|
√
|
|
91
|
All alert tone on/off
|
√
|
|
92
|
battery indicate
|
√
|
|
93
|
Switch transmitting H/L power
|
√
|
|
94
|
Delete interference channel
|
√
|
|
95
|
Emergency
|
√
|
|
96
|
Monitor
|
√
|
|
97
|
Repeater offline
|
√
|
|
98
|
Scan on/off
|
√
|
|
99
|
Area selection
|
√
|
|
100
|
squelch level
|
√
|
Analog mode only
|
101
|
One key to access 1-6
|
√
|
Digital mode only
|
102
|
Special type
|
√
|
Digital mode only
|
103
|
Call prompt
|
√
|
Digital mode only
|
104
|
Single call
|
√
|
Digital mode only
|
105
|
Short message
|
√
|
Digital mode only
|
106
|
Group type
|
√
|
Digital mode only
|
107
|
Group call
|
√
|
Digital mode only
|
108
|
Short message
|
√
|
Digital mode only
|
109
|
PC dispatch type
|
√
|
Digital mode only
|
110
|
Short message
|
√
|
Pre-edition and write into the radio by computer
|
111
|
Specification of short message
|
|
Digital mode only
|
112
|
Max number of characters
|
138
|
|