How to test SMS mode through AT+CMGS command

To test PDU or Text mode through AT+CMGS AT command,
AT+CMGF?

If returned value is 0, it is set to PDU mode, else it is text mode.

GSM Module

GSM Module Information

ZTE MF212

ZTE's MF212 is a HSDPA 7.2 module.The dimensions are 51x30x4.7 mm.This module HSDPA 7.2 Mbps Modules.Air interfaces supported by this module are GSM(850/900/1800/1900 MHz),GPRS(850/900/1800/1900 MHz),EDGE(850/900/1800/1900 MHz),UMTS,HSDPA(1900/2100/850 MHz).Regulatory approvals received by this module are FCC,GCF,IC,PTCRB,RoHS.

U-blox LISA-U100

U-blox's LISA-U100 is a HSDPA 7.2 module.The dimensions are 33.2x22.4x2.7 mm.This module HSDPA 7.2 Mbps Modules.Air interfaces supported by this module are GSM(850/900/1800/1900 MHz),GPRS(850/900/1800/1900 MHz),EDGE(850/900/1800/1900 MHz),UMTS,HSDPA(850/1900 MHz).Regulatory approvals received by this module are A-Tick (Australia),Telec,Jate (Japan),PTCRB,FCC,R&TTE,NCC (Taiwan),KCC (Korea),ICASA (South Africa).

Telit UC864-G

Telit's UC864-G is a HSDPA 7.2 module.The dimensions are 45x30x4.8 mm.This module HSDPA 7.2 Mbps Modules.Air interfaces supported by this module are GSM(850/900/1800/1900 MHz),GPRS(850/900/1800/1900 MHz),EDGE(850/900/1800/1900 MHz),UMTS,HSDPA(1900/2100/850 MHz).Regulatory approvals received by this module are FCC,GCF,R&TTE,CE,PTCRB.

Telit UC864-E-DUAL

Telit's UC864-E-DUAL is a HSDPA 7.2 module.The dimensions are 45x30x4.8 mm.This module HSDPA 7.2 Mbps Modules.Air interfaces supported by this module are HSDPA(2100/900 MHz),UMTS,EDGE(1800/900 MHz),GPRS(1800/900 MHz),GSM(1800/900 MHz).Regulatory approvals received by this module are CE,GCF.

Telit UC864-E-AUTO

Telit's UC864-E-AUTO is a HSDPA 7.2 module.The dimensions are 36.2x30x4.8 mm.This module HSDPA 7.2 Mbps Modules.Air interfaces supported by this module are HSDPA(2100 MHz),UMTS,EDGE(1900/1800/900/850 MHz),GPRS(1900/1800/900/850 MHz),GSM(1900/1800/900/850 MHz).Regulatory approvals received by this module are CE,GCF.