Version for Industrial Class Cellular Mobile Modem
December 25, 2017
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Nowadays wireless mobile modem and serial to gateway modem become an important part of wireless M2M system.
Mobile Modems contain different version.
1. GPRS Modem – Back compatible to GSM
2. EDGE Modem – Back compatible to GPRS/GSM
3. CDMA Modem – Back compatible
4. HSDPA Modem – Back compatible to EDGE/GPRS/GSM
5. HSUPA Modem – Back compatible to HSDP/EDGE/GPRS/GSM
6. HSPA Modem – Back compatible to HSUPA/HSDPA/EDGE/GPRS/GSM
7. HSPA+ Modem – Back compatible to HSPA/HSUPA/HSDP/EDG/GPRS/GSM
8. EV-DO Modem – Back compatible to CDMA1x
9. 4G LTE modem – Back compatible to 3G/2G
Interface: RS232 or USB or RS485 or RS422 or TTL