170 MHz Wireless (320-1227) Specifications Faxback Doc. # 16406
Microphone
RECEIVER TYP LIMIT #2 #3
Sensitivity @ 12 dB SINAD 1.0 uB 1.5uV 1.2 1.33
Image Rejection 60 dB 50 dB 66 69
Spurious Rejection 70dB >=60 dB
CHANNEL A CHANNEL B CHANNEL C
1. 95.170 95.7032 96.1966 75.5 126
2. 98.925 99.3690 99.7805 >125 >127
3. 116.570 117.1032 117.5966 75.5 85
4. 134.215 134.8366 135.4127 >125 >127
5. 151.860 152.5704 ---.---- >125 >127
6. 165.750 166.6380 153.2288 >125 >127
7. 183.395 184.3718 167.4610 >125 >127
8. 187.150 188.0380 185.2771 >125 >127
9. 201.040 202.1064 188.8610 85 >127
10. 204.795 205.7718 203.0932 >125 >127
11. 218.685 219.8394 206.6771 >125 >127
12. 222.440 223.5064 220.9093 66.5 74
13. 236.330 237.5732 224.4932 >125 >127
14. 240.085 241.2394 238.7254 >125 >127
15. 253.975 255.3080 242.3093 75 90
16. 257.730 258.9732 256.5415 >125 >127
17. 271.375 273.0408 260-1254 >125 >127
18. 275.375 276.7080 274.3576 67 87
TYP LIMIT #2 #3
Squelch Threshold 3uV 3uV +/- 2 dB 3.4 3.55
Audio Output Max Volume
@ 15 KHz Deviation
Line: 250mV 250 +/- 30mVRMS 258 255
Mic: 16mV 16 +/- 4mVRMS 16 16.5
S/N @ 1mV RF 90 dB 80 dB >90 >90
A-Weighted
@ +/- 15 Khz Deviation
Power Consumption 120VAC 2.5W 3.0W 1.83 1.96
Current Consumption 12.6VDC 83mA 100mA 71 80
TRANSMITTER TYP LIMIT #2 #3
RF Power Output @ 50 Ohms 15 mW 5 to 50 mW 6.3 12.5
Frequency Accuracy +/- 5 Khz +/- 9 Khz +0.9 +1.8
Harmonic and Spurious
Radiation Suppression
50 to 100 Khz from center 35 dB 25 dB >78 >78
100 to 250 Khz From center 40 dB 35 dB >78 >78
All Other Frequencies 35 dB 30 dB 43 40
Current Drain 30 mA 40 mA Max. 31 37
Batt. Low Indication 6.7V 6.7 +/- 0.3V 6.6 6.9
Mic Sensitivity
@ +/- 7 Khz Deviation 95 dBSPL 95 +/- 5 dBSPL 94 91.5
SYSTEM TYP LIMIT #2 #3
THD @ 1 KHz +/- 15 KHz
Deviation 0.3% 1.0% 0.37 0.35
Audio Frequency Response
(Refer to 1 KHz +/- 8 KHz Dev)
100 Hz -3 dB -3 +/- 3 dB -2.9 3
15 KHz -5 dB -5 +/- 4 dB -4.8 -4.4
Operation Range @ Open Field:........................................200 ft
(ALL-08/09/95)