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The cellular modem usually has GPS and SMS capabilities integrated in one hardware package. Also, separately, https://en.wikipedia.org/wiki/SMS#Silent_SMS http
by orangepurple 5y ago
The cellular modem usually has GPS and SMS capabilities integrated in one hardware package.
Also, separately, https://en.wikipedia.org/wiki/SMS#Silent_SMS https://en.wikipedia.org/wiki/SMS#Silent_SMS