User manual

120 20131-301 Gemini G3 - User Manual
70
TRANSMITTER
Transmit Frequency Range 403 - 512
1
, MHz 792 - 806 MHz 806 - 824 MHz
Power output 10-40 W,
adjustable in four steps
10-25 W,
adjustable in four steps
10-35 W,
adjustable in four steps
Duty cycle
20% @ Full Power
50% @ full power, 30 sec. max. TX time
(subject to FCC MPE limit)
25% @ full power, 30
sec. max. TX time (sub-
ject to FCC MPE limit)
Transmitter Stability
into VSWR
>6:1 (Power Foldback Allowed)
Spurious Emissions > 80 dBc
Frequency stability 1.0 ppm
FM hum and noise ratio* >45 dB (25 kHz) >50 dB (50 kHz) >45 dB (25 kHz)
Attack time < 10 ms with less than 1 ms variation
* psophometrically weighted filter
Environmental MIL. spec.
Environment Categories MIL Spec. 810E Other
Method Procedure
Low Pressure Operations 500.3 II
High Temperature Operations, Storage 501.3 I (A1), II
Low Temperature Operations, Storage 502.3 I (C3), II (C1)
Temperature Shock Transfer of equipment 503.3 I (AI, C2)
Vibration Ground Mobile 514.4 I (10) EIA RS-204C Forestry
Shock Functional, Bench handling 516.4 I, VI EIA RS-204C
FCC / IC CERTIFICATIONS
Band FCC IC (DOC)
UHF EOTGPDA 773195525A
700 EOTGPD7 773A-GPD7
800 EOTGPDB 773195643A
EMISSION DESIGNATORS
Bit rate Baud
rate
Modulation UHF
(FCC/IC Mask)
700 MHz
(FCC/IC Mask)
800 MHz
(FCC Mask)
800 MHz - NPSPAC
(FCC Mask)
128000 32000 SRRC16FSK - 28K0F1D - -
*96000 32000 SRRC8FSK - 28K0F1D - -
*64000 32000 SRRC4FSK - 28K0F1D - -
64000 16000 SRRC16FSK 16K4F1D(C) - 14K4F1D(G) -
*48000 16000 SRRC8FSK 16K4F1D(C) - 14K4F1D(G) -
*43200 14400 SRRC8FSK 16K4F1D(C) - 14K4F1D(G) -
32000 8000 SRRC16FSK 7K92 F1D (D) - - 10K0F1D(H)
*24000 8000 SRRC8FSK 7K92 F1D (D) - - 10K0F1D(H)
*16000 8000 SRRC4FSK 7K92 F1D (D) - - 10K0F1D(H)
* Under class 1 permissive change
1
WARNING: The frequency band 406 to 406.1 MHz is reserved for use by distress beacons and should not be pro-
grammed into the unit.