GeminiG3-ADB model Rx Sensitivity
(for 1% Packet Error Rate (PER) with Parallel Decode at carrier frequency)
700 MHz
50 kHz Channel
800 MHz
25 kHz Channel
800 MHz
NPSPAC Channel
-93 dBm @ 128 kbps
-99 dBm @ 96 kbps
-104 dBm @ 64 kbps
-94 dBm @ 64 kbps
-100 dBm @ 48 kbps
-104 dBm @ 43.2 kbps
-108 dBm @ 32 kbps
-103 dBm @ 32 kbps
-109 dBm @ 24 kbps
-115 dBm @ 16 kbps
TRANSMITTER
Transmit Frequen-
cy Range
403 - 512
1
, MHz
403-512 MHz (ACMA)
792 - 806 MHz
806 - 824 MHz
Power output
10-40 W,
adjustable in four
steps
12.5-25 W adjustable in
three 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 (subject to
FCC MPE limit)
Transmitter Stabil-
ity
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
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.
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