IoT Connections

Mobile IoT Deployment Map https://www.gsma.com/iot/deployment-map/ Connection Options NB – Narrowband Very limited data limit. Intended for very small amounts, like smart meters etc.Better global coverage LTE-M Better for more data, but not currently forced as part of the 4G spec, so you’re down to which carrier decides to support it in each country. In theory […]

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SMS Messages

GSM Character Set SMS messages use a different character set to standard ASCII. Characters are 7bits and packed into 140 bytes, giving you up to 160 characters (7 x 160 = 1120 bits, 1120 / 8 bits per byte = 140 bytes). Conversion to and from various ASCII characters needs to be performed in code […]

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