Maxon Telecom FM Mobile radio SM-2000 - Manual (Page 8)

TX TONE MODULATION CHARACTERISTICS
Sub audible tones - CTCSS
Tone range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 – 250 Hz @ 0.3 % accuracy
Tone standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RS-220A EIA Standard
Non-standard tones. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 – 260 Hz @ 0.3 % accuracy
Nominal tone deviation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 % peak system deviation
SUB AUDIBLE TONES - DCS
Tone standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Normal and inverted
Nominal tone deviation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 % peak system deviation
RECEIVER
Performance without sub audible modulation . . . . . . . . . . . . . . . Method ETS 300-086 JAN 1991
unless stated
Sensitivity 12 dB SINAD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < - 118 dBm
Amplitude characteristic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . + 3 dB
Co-channel rejection
25 kHz
12.5 kHz <- 6 dB
<- 10 dB
Adjacent channel selectivity
25 kHz
12.5 kHz > 70 dB @ nominal conditions
> 60 dB @ nominal conditions
Spurious response rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 70 dB (100 kHz - 4 GHz)
Intermodulation response rejection
+ (25 kHz & 50 kHz)
+ (50 kHz & 100 kHz) > 65 dB (3 generator method)
Blocking
+ 1 MHz
+ 5 MHz
+ 10 MHz > 85 dB
> 85 dB
> 85 dB
RX spurious emissions (conducted)
9 kHz – 1 GHz
1 GHz – 4.0 GHz - 57 dBm
- 47 dBm
RX spurious emissions (radiated)
9 kHz – 1 GHz
1 – 4.0 GHz -57 dBm
-47 dBm
MAXON SM-2000 MOBILE
SPECIFICATIONS
Page-4-
December 98