---
product_id: 62791381
title: "Gowoops SIM900A Extension Module GSM/GPRS 900/1800MHz Board Antenna// SIM900A V4.0 Wireless Data Extension Module GSM GPRS Board Kit with Antenna"
brand: "gowoops"
price: "156.95 DT"
currency: TND
in_stock: true
category: "Electronics"
url: https://www.desertcart.tn/products/62791381-gowoops-sim900a-extension-module-gsm-gprs-900-1800mhz-board-antenna
store_origin: TN
region: Tunisia
---

# Gowoops SIM900A Extension Module GSM/GPRS 900/1800MHz Board Antenna// SIM900A V4.0 Wireless Data Extension Module GSM GPRS Board Kit with Antenna

**Brand:** gowoops
**Price:** 156.95 DT
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Gowoops SIM900A Extension Module GSM/GPRS 900/1800MHz Board Antenna// SIM900A V4.0 Wireless Data Extension Module GSM GPRS Board Kit with Antenna by gowoops
- **How much does it cost?** 156.95 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/62791381-gowoops-sim900a-extension-module-gsm-gprs-900-1800mhz-board-antenna)

## Best For

- gowoops enthusiasts

## Why This Product

- Trusted gowoops brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Antenna circuit: guarantee short and straight, so as to ensure the signal strength.PCB display screen printing mark: each interface, convenient development two times, the SIM900/A hardware is completely follow the design when the design manual.Two power supply interface: VCC5, 5V DC above 1A. Computer 5V power supply can be early computer USB. DC long data circuit over larger recommended 5V1A. VCC4, 3.5--4.5V power supply, ibid., suitable for lithium battery.A TTL level, compatible with 3.3V and 5V.The two antenna interface, the default SMA straight head, connector for IPXmini antenna.One way of speech interface, the way Mike interface.The control interface of each pin description:GND - GNDSIMR SIM900A RXD, TTL level, can not be directly connected to the 232 levelSIMT SIM900A TXD, TTL level, can not be directly connected to the 232 levelRST - SIM900A reset, active lowVCC_MCU when the SIM900A module and 5V TTL level communication, this pin is connected to DC 5V; when the level of communication of SIM900A and 3.3V TTL, this pin is connected to DC 3.3V.Onboard Resources: Serial port circuit(with protection)Antenna interface circuit(SMA bend female port)SIM card circuit(flip SIM slot)4*3.5 fixture hole 4pcsSIM900A serial port output terminal Dimensions & Weight: 5.6 cm x 4.9 cm x 2.8 cm/23 gPacking List : 1 x GPRS GSM Module1 x Antenna 1 x Cable (10cm)

## Features

- The serial port circuit: support for 3.3V single chip microcomputer. TTL serial port support
- Antenna interface circuit(SMA bend female port).3.3 and 5V single chip microcomputer

## Images

![Gowoops SIM900A Extension Module GSM/GPRS 900/1800MHz Board Antenna// SIM900A V4.0 Wireless Data Extension Module GSM GPRS Board Kit with Antenna - Image 1](https://images-na.ssl-images-amazon.com/images/I/51lhRlC-YbL.jpg)
![Gowoops SIM900A Extension Module GSM/GPRS 900/1800MHz Board Antenna// SIM900A V4.0 Wireless Data Extension Module GSM GPRS Board Kit with Antenna - Image 2](https://images-na.ssl-images-amazon.com/images/I/51xreEU%2BlkL.jpg)
![Gowoops SIM900A Extension Module GSM/GPRS 900/1800MHz Board Antenna// SIM900A V4.0 Wireless Data Extension Module GSM GPRS Board Kit with Antenna - Image 3](https://images-na.ssl-images-amazon.com/images/I/51jPivCozlL.jpg)
![Gowoops SIM900A Extension Module GSM/GPRS 900/1800MHz Board Antenna// SIM900A V4.0 Wireless Data Extension Module GSM GPRS Board Kit with Antenna - Image 4](https://images-na.ssl-images-amazon.com/images/I/51nJlfm1zcL.jpg)
![Gowoops SIM900A Extension Module GSM/GPRS 900/1800MHz Board Antenna// SIM900A V4.0 Wireless Data Extension Module GSM GPRS Board Kit with Antenna - Image 5](https://images-na.ssl-images-amazon.com/images/I/51z7ds2auwL.jpg)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-22*