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3 General Specifications
Component Temperature Range (without battery)
Board Functional Temperature Range
Board Storage Temperature Range (without battery)
Power requirements (Battery Input)
Input protection (Battery Input)
Power requirements (Solar Input)
External Serial Port Parameters
Current Drain
Satellite RF output
GPS / Satellite antenna gain
Bluetooth Low Energy (BLE)
Bluetooth antenna gain
Notes:
1. The -30 to +70°C temperature range is for the ST100 components and doesn't include the battery or solar
panel.
2. The power source on the battery input should be able to supply 500mA pulse current (at 3.7V) for 1.5
seconds. If the end-application expects to have 16 packet messages, the supply should be able to provide this
pulse current up to 16 times in succession.
3. If a battery is used, the VAR/installer should verify the battery's performance at the application's lowest
expected ambient temperature before proceeding with the selected battery.
4. The ST100 has the option to install a battery protection circuit. The VAR/installer will need to inform
Globalstar before ordering PCBs if this feature is desired.
5. Both the 0.75V and 50mW requirements must be met on the solar input for charging a depleted battery.
Use or disclosure of data contained on this sheet is subject to the restrictions in the Distribution Statements on the title page of this
06/18/20
Table 4 – Operating Conditions
GLOBALSTAR PROPRIETARY AND CONFIDENTIAL INFORMATION
document.
Subject to Change without Notice
-30 to +70°C (Note 1)
-20 to +60°C
-40 to +85°C
3.4V to 5.5VDC (Notes 2, 3, 4)
Standby current: 30-40uA
PTC resettable fuse
Hold current
-30C: 1.5Amps, 20C: 1.1Amps, 70C: 0.65Amps
0.75V to 5VDC (Notes 5, 6, 7)
Minimum power required: 50mW
Maximum power: 510mW
3V (Note 8)
24.5dBm (Note 9)
Frequency configurable to 1611.25MHz,
1616.25MHz, or 1618.75MHz
+1.06 dBi
0dBm TX power
-69dBm RX sensitivity
-1.09 dBi
P a g e | 19
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