SIM900A GSM GPRS Board + Antenna for Arduino – TTL Level & 5V Input
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৳729
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Description:
The SIM900A GSM GPRS board is ideal for adding GSM communication to Arduino and other microcontroller projects. Operating at TTL level, it supports 5V and 3.3V–4.5V inputs. The board features onboard SIM card slot, SMA antenna interface, protected serial port, and reset function. Its compact design and reliable performance make it perfect for SMS, call, or GPRS-based applications.
Specifications:
Package:
FAQ:
Q1: Can I connect this module directly to a PC's RS232 port?
A1: No, it uses TTL level communication and is not compatible with 232 level without a converter.
Q2: What is the working voltage?
A2: It works with both 5V and 3.3V–4.5V DC input.
Q3: Is the antenna included?
A3: Yes, the package includes an SMA GSM antenna.
Q4: What are its supported GSM frequencies?
A4: It operates on 900 MHz and 1800 MHz bands.
Q5: How do I mount it on a project board?
A5: It has four 3.5mm mounting holes for secure placement.
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