SIM800F RS232 Board GSM/GPRS Modem
SIM800F is a complete Quad-band GSM/GPRS solution in a SMT type, which can be embedded in the customer applications. SIM800F supports Quad-band 850/900/1800/1900MHz, it can transmit Voice, SMS and data information with low power
SIMCom Sim7100E module
USB GSM GPRS Edge Module – Simcom
WAVECOM Q2403A PCI GPRS MODEM speed
Quectel UC20 is a series of powerful function UMTS/HSPA+