Cobra Electronics FRS 225 ユーザーズマニュアル
C. TRANSMITTER
UNIT NOMINAL
1. EFFECTIVE RADIATED POWER
mW
500
2. CARRIER FREQ. STABILITY
+
_Hz
500
3. MODULATION LIMITING
KHz
2.5
4. CARRIER ATTACK TIME
mS
30
5. AUDIO FREQUENCY RESPONSE
@ 300 HZ
dB
-10
@ 2500 HZ
dB
4
6. AUDIO DISTORTION
%
3
7. HUM NOISE
dB
38
8. TRANSIENT FREQ. BEHAVIOR
a) TX ON
mS 30
b) TX OFF
mS
5
D. POWER SUPPLY
1. BATTERY LIFE (1:1:18 RATIO)
HR
24
2. BATTERY OPERATING RANGE
V
3.2 - 4.5
17
16
I. GENERAL SPECIFICATIONS
A. FREQUENCIES
CHANNEL ASSIGNMENT
CH 1: 462.5625MHz
CH 8: 467.5625MHz
CH 2: 462.5875MHz
CH 9: 467.5875MHz
CH 3: 462.6125MHz
CH 10: 467.6125MHz
CH 4: 462.6375MHz
CH 11: 467.6375MHz
CH 5: 462.6625MHz
CH 12: 467.6625MHz
CH 6: 462.6875MHz
CH 13: 467.6875MHz
CH 7: 462.7125MHz
CH 14: 467.7125MHz
B. RECEIVER
UNIT NOMINAL
1. SENSITIVITY
FOR 12 DB SINAD
dBm
-119
FOR CALL SIG. DETECTION
dBm
-121
2. MAX. AUDIO OUTPUT @10% THD
mW
150
3. MAX. S/N RATIO @ 1mV RF INPUT
dB
45
4. SQUELCH
a) SENSITIVITY
dB m
-121
b) ATTACK TIME
mS
150
c) CLOSING TIME
mS
200
5. AUDIO FREQUENCY RESP.
@ 300 HZ
dB
-3
@ 2500 HZ
dB
-10
6. SIGNAL DISPLACEMENT BW
+/-KHZ 5
7. ADJACENT CH. REJECTION
dB
55
8. INTERMODULATION REJECTION
dB
55
9. SPURIOUS RESPONSE REJECTION
dB
65
Specifications
Specifications