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SP-400 Series User’s Guide
Specifications
General specifications SP-410 / 430 (VHF) SP-420 / 440 (UHF)
Frequency range 148-174 MHz 440-470 MHz
FCC ID number MMA80151 MMASP-440
FCC type acceptance Part 90 Part 90, 95
Maximum number of channels 4/16 4/16
Channel spacing 12.5/25 KHz 12.5/25 KHz
Channel stepping 5/6.25/7.5 KHz 5/6.25 KHz
CTCSS/DCS per channel 47 CTCSS/104 DCS 47 CTCSS/104 DCS
Battery 7.2 Vdc 1300 mAH 7.2 Vdc 1300 mAH
5-5-90 duty cycle @ 4/5 Watts 8.4 hrs 8.4 hrs
5-5-90 duty cycle @ 1 Watt 13.1 hrs 12.2 hrs
MIL spec 810E, shock and vibration 810E, shock and vibration
Size (HxWxD) 5.75”x2.8”x1.5” 5.75”x2.8”x1.5”
Weight 13 oz. 13 oz.
EIA/TIA-603 receiver specs
Frequency stability
±2.5 ppm (-30° to +60° C) ±2.5 ppm (-30° to +60° C)
12 dB SINAD sensitivity 0.25 µV 0.3 µV
Selectivity 75 dB WB/65 dB NB 70 dB WB/65 dB NB
Intermodulation rejection 75 dB 70 dB
Spurious rejection 80 dB 70 dB
Acceptable radio freq displacement ±2 KHz WB/±1 KHz NB ±2 KHz WB/±1 KHz NB
Squelch sensitivity <0.25 µV <0.25 µV
Audio response per EIA/TIA-603 specs per EIA/TIA-603 specs
Audio output 500 mW @ <5% THD into
8Ω
500 mW @ <5% THD into
8Ω
RF input impedance
50 Ω 50 Ω
EIA/TIA-603 transmitter specs
RF power output 5 Watts or 1 Watt 4 Watts or 1 Watt
Frequency stability
±2.5 ppm (-30° to +60° C) ±2.5 ppm (-30° to +60° C)
Modulation type 16KOF3E/11KOF3E 16KOF3E/11KOF3E
Adjacent channel emissions 70 dB WB/60 dB NB 70 dB WB/60 dB NB
Spurious emissions 70 dB 70 dB
FM hum & noise 50 dB WB/45 dB NB 40 dB WB/38 dB NB
Audio response per EIA/TIA-603 specs per EIA/TIA-603 specs
Audio distortion <5% 1 KHz @ 60% dev. <5% 1 KHz @ 60% dev.
RF output impedance
50 Ω 50 Ω
34 © 2005, Midland Radio Corporation