SIM900A module GSM wireless data transmission

500.00

This module advantages:

 

  • Serial circuit: using magnetic beads and TVS protection device to protect the board so that the board will not hurt the surge, high voltage.
  • SIM card circuit: increase SMF05C chip electrostatic discharge.
  • Antenna circuit: guaranteed short and straight, so as to ensure that the signal strength.
  • PCB show: silk mark each interface, convenient secondary development, full compliance SIM900A hardware design manual design.
  • All the way 5V power supply Interface: We did a protection, even reversed, it will not burn board. Initial commissioning computerUSB-powered computer can; Recommended time transmission of data over the DC 1A with a larger capacity.
  • All the way to TTL interface: Supports 3.3V and 5V single-chip microcontroller. That kind of support 51 5V microcontroller and STM32 microcontroller.
  • Two antenna interface: SMA antenna interface, IPX MINI antenna interface (default not welded).
  • 232 all the way to level interface: You can module that is connected to the computer through a raised 232 — USB serial cable directly. It can also be USB – TTL connected to the computer, based on individual parts circumstances. Do not need to spend money on accessories this is the other sellers and is the biggest difference.

1 in stock

SKU: 5450 Category:

Description

 SIM900A module Introduction

This module power requirements: 5VPower supply, initial commissioning computercomputerUSB poweredMeet the requirements. Because we added a large capacitance 1000UF of.Recommended time data transmission over large electricity 1A DC, TTL level serial port compatible adaptive 3.3V and 5V microcontroller. It can be directly connected to the microcontroller. Standby around 80MA, you may be disposed about the sleep state 10MA low power consumption.Computer debugging USB – 232 and USB – TTL can, according to their accessories may be.Support SMS, data, multimedia, Internet and so on. Reset pin lead, may be implemented on-site unattended remote reset with function DTMF remote control function.The biggest advantage is the retention module 232, in learning or development can monitor the implementation of the 51 low-end microcontroller module and instruction to more quickly identify the cause, saving development time and learning. [Support 2,3,4G phone card ].

 

Another sale more 3.5–4.5V1.5A SIM900A DC power supply module adapted to supply 3.7V lithium battery. We need to contact customer service. Section module TTL Compatible 3.3V system, 5VTTL system control module 232 need.

Additional information

Weight 0.1 g
Dimensions 20 × 10 × 0.5 cm

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