... /GPRS module 2,wireless module 3,simcom GSM/GPRS Module SIM4100 SIM4000B 1,GSM/GPRS module2,wireless module3,simcom GSM/GPRS Module SIM4100 ... SIM4000B SIM4100SIM4100 is a dual-mode TD-SCDMA module which works at 2010-2025MHz on the TD-SCDMA mode ... for virtually unlimited applications, such as WLL applications (Fixed cellular terminal), M2M applications, handheld devices, PC card and much more. • AMR ...