Over speed alarm.
Send SMS“123456speed 050”to the uni
t, it will reply “speed ok!”. When the unit m
oves exceeding 50 km/h, the unit will send
SMS alarm. When the speed is no more tha
n 50km/h, it will send alarm as well. Send
“123456speed 0”when needs to cancel. No
tice: Speed alarm is set at least 50km/h.
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