Returns accepted within 3 days, only for damaged or wrong products. We offer returns Free of Cost for size issues and damaged or wrong products. Returns will be offered in the form of product exchange or cash refund when exchange is not possible. Returns can be initiated either from your Kaymu Account or by calling our Customer Service Team at 9801 292929.
GSM/GPRS Sim900a Modem-RS232 is built with Dual Band GSM/GPRS engine- SIM900A, works on frequencies 900MHz or 1800MHz. The Modem comes with RS232 interface, which allows you to connect PC as well as microcontroller with RS232 Chip(MAX232). The GSM GPRS Modem is having internal TCP IP stack to enable you to connect with internet via GPRS. It is suitable for SMS, Voice as well as DATA transfer application in M2M interface. Using this modem, you can make audio calls, SMS, Read SMS, attend the incoming calls and internet etc through simple AT commands. Features: Status of Modem Indicated by LED Simple to Use & Low Cost On board switching type power supply regulator RS232 output SMA connector with GSM Antenna. Input Voltage: 5V - 12 V