Cobra Electronics FRS 225 - Manual (Page 11)

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