Embedded Works - Gemalto BGS2T-RS232 Modem: Indoor Rated 2G GSM / GPRS | Embedded Works
GSM Modem Integrated SIM Card Slot,TCP/IP Protocol,RS232 Interface for Data Transfer(id:7403688) Product details - View GSM Modem Integrated SIM Card Slot,TCP/IP Protocol,RS232 Interface for Data Transfer from Shenzhen Yinghua Technology Co.,Ltd -
GSM/GPRS RS232 MODEM-SIM900 (DB9)
M1306B GSM Modem Wavecom Q2403 wireless industrial gsm gprs modem with rs232 com port support at command|modem gsm|modem wirelessmodem gprs - AliExpress