Cobra Electronics Corporation FRS305 User Manual
C.TRANSMITTER
UNIT
1. EFFECTIVE RADIATED POWER
mW
500
2. CARRIER FREQ.STABILIT Y
H Z
500
3. MODULATION LIMITING
KHZ
2.5
4. CARRIER ATTACK TIME
mS
80
5. AUDIO FREQUENCY RESPONSE
@ 300 HZ
DB
-6
@ 3000 HZ
DB
-6
6. AUDIO DISTORTION
%
3
7. HUM and NOISE
DB
35
8. TRANSIENT FREQ.BEHAVIOR
a) TX ON
mS
30
b) TX OFF
mS
5
D. POWER SUPPLY
1. BATTERY LIFE (1:1:8 RATIO)
HR
24
2. BATTERY
V
4.8 - 6.0
MicroTalk
Specifications
41
40
I.GENERAL SPECIFICATIONS
A.GENERAL
CH=14 CHANNELS WITHIN 462-467 MHZ
B. RECEIVER
UNIT
1. SENSITIVITY
FOR 12 DB SINAD
uV
0.25
FOR CALL SIG.DETECTION
uV
0.2
2. MAX. AUDIO OUTPUT @10% THD
MW
100
3. MAX.S/N RATIO @ 1mV RF INPUT
DB
45
4. SQUELCH
a) SENS.
uV
0.2
b) ATTACK TIME
mS
120
c) CLOSING TIME
mS
200
5. AUDIO FREQUENCY RESP.
@ 300 HZ
DB
-6
@ 3000 HZ
DB
-6
6. SIGNAL DISPLACEMENT BW
+/-KHZ 5
7. ADJACENT CH.REJECTION
DB
55
8. INTERMODULATION REJECTION
DB
55
9. SPURIOUS RESPONSE REJECTION
DB
65
Frequency Range
Frequency
Ranges
Ranges
The microTalk unit represents one of the most
advanced FM two-way radios available.
advanced FM two-way radios available.
1
462.5625
8
467.5625
2
462.5875
9
467.5875
3
462.6125
10
467.6125
4
462.6375
11
467.6375
5
462.6625
12
467.6625
6
462.6875
13
467.6875
7
462.7125
14
467.7125
01
67.0 Hz
21
136.5 Hz
02
71.9 Hz
22
141.3 Hz
03
74.4 Hz
23
146.2 Hz
04
77.0 Hz
24
151.4 Hz
05
79.7 Hz
25
156.7 Hz
06
82.5 Hz
26
162.2 Hz
07
85.4 Hz
27
167.9 Hz
08
88.5 Hz
28
173.8 Hz
09
91.5 Hz
29
179.9 Hz
10
94.8 Hz
30
186.2 Hz
11
97.4 Hz
31
192.8 Hz
12
100.0 Hz
32
203.5 Hz
13
103.5 Hz
33
210.7 Hz
14
107.2 Hz
34
218.1 Hz
15
110.9 Hz
35
225.7 Hz
16
114.8 Hz
36
233.6 Hz
17
118.8 Hz
37
241.8 Hz
18
123.0 Hz
38
250.3 Hz
19
127.3 Hz
20
131.8 Hz
CTCSS
CTCSS
Channel
Frequency
Channel
Frequency
Channel
Channel
FRS
Frequency
FRS
Frequency
Channel
In MHz
Channel
In MHz