Power supply, Output and interface, Ower – Altina GBT708 User Manual
Page 5: Upply, Utput and, Nterface

3.5. Power
Supply
¾ External Voltage: 5VDC +/- 10%
¾ Batteries
Main Power: Built-in rechargeable Lithium-ion for system power
¾ Backup Power: Rechargeable Lithium-ion battery for memory & RTC backup
¾ Working
voltage:
Normal Mode: 80-90mA
Power Saving Mode: 30mA
¾ 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
¾ 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
¾ 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 ).
5
¾
External Antenna interface