Altina GBT708 User Manual download pdf (Page 5)

3.5. Power Supply

 External Voltage: 5VDC +/- 10%

 Batteries：

 Main Power: Built-in rechargeable Lithium-ion for system power

 Backup Power: Rechargeable Lithium-ion battery for memory & RTC backup

 Working voltage:

 Normal Mode: 80-90mA

 Power Saving Mode: 30mA

 Working period (In Battery full power status):

 Continued Mode: 9 hours

 Power Saving Mode: 16 hours

【NOTE】GBT-708 has built Li-battery inside, please avoid closing high temperature

environment or sun shine directly for a long time.

3.6. Output and Interface

 Output

I. Output protocol

 Baud Rate：9600 bps

 Data bit：8

 Parity：No

 Stop bit：1

II. Format -NMEA0183 V2.2：

GPGGA (1time/1 sec), GPGSA (1 time/1 sec.), GPGSV (1time /5 sec.), GPRMC

(1time /1 sec.), (GLL, VTG or SiRF binary format for optional).

III. Datum：WGS84

 Input/ Output Interface

I. Compatible Bluetooth Serial Port Profile (SPP), Version1.1 and class 2(up

to 10 meter range).

II. In/Out Port. GPS signal (Out)/Command(In) with CMOS/TTL Level。

 Mini USB Type B Connector and Cable option：

 GAC60R2 (RS232 data cable)

 GAC60U2 (USB data cable)

 GAC60UP2 (Mini USB port to PS2 port ).

 External Antenna interface

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Altina GBT708 User Manual Page 5