Specification:
* Tracks up to 32 satellites
* Receiver : L1, 1575.42 MHz
* C/A code:1.023 MHz
* Update rate : 1 HZ.
* Antenna type : Built in patch antenna
* Minimum signal tracked : -159dBm
* Dimension : 67 * 43 * 17.6 mm.
* Weight : 53g.
* On/Off switch : slide switcher
* Lithium-ion battery lasts for 23 hours of use
* Operation temperature : -10 'C to + 60 'C
* Store temperature : -20 'C to + 60 'C
* Store temperature : -30 'C to + 80 'C (Without Lithium-ion battery )
* Operation humidity : 5% to 95% no condensing
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