Altina GPS GBT 709 - Manual (Page 6)

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Ø External Antenna interface
3.0V input MMCX type active antenna connector
3.7. Physical
Ø
Size ： 69 Ч 50 Ч 19 mm。
Ø
Weight ： 70 g 。
Ø Operating Temperature ： -10 to + 60
Ø Storage Temperature ： -20 to + 85
Ø Operating humidity ： 5% to 95% No condensing。
3.8. Other Functions
Ø
Bluetooth frequency: 2.4 ~2.48GHZ
Ø Bluetooth Input Sensitivity: -80dbm
Ø
Low sensitivity of receiving satellite signal ： -189dBW
Ø
LED Functions ：
n Bluetoothh status
n GPS status
n Battery Status
n Battery charging status