Successive positioning.
Send SMS “123456t030s002n” to the u
nit, Will reply “t030s002n ok!” It will report
the real time SMS at 30s interval for 2 time
s. Notice: s=second, minute, h=hour. The sh
ortest interval time is 005s, the longest inte
rval time is 255h; Reply the most times is 9
99n, Unlimited times is***n.
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