資料來源:https://www.seeedstudio.com/GPRS-Shield-V2.0-p-1379.html
This product was replaced by an updated version GPRS Shield V3.0
Hook your Arduino up to GSM/GPRS cell phone network with GPRS shield! You can use your Arduino to dial a phone number or send a text to your friend via easy to use AT commands now. This new version features a quad-band low power consumption GSM/GPRS module SIM900 as well as a compact PCB antenna. Meanwhile, improvements on interfaces and basic circuit have been taken to make it more concise and reliable. Check out the improvement details of V2.0.
Note: Headers of this product is shipped unsoldered.
Features
Compatible with standard Arduino and Arduino Mega
Selectable interface between hardware serial port and software serial port
Quad band support: 850/900/1800/1900MHz
Support TCP/UDP protocols
Full control via AT commands set: Standard - GSM 07.07 & 07.05 and Enhanced - SIMCOM AT Commands
2-in-1 headset jack
Convenient external SIM card holder
Low power consumption: 1.5mA(sleep mode)
Cautions
Make sure your SIM card is activated.
GPRS Shield doesn't come with ESD precautions. Take special care when handling it in dry weather.
The factory default setting for the GPRS Shield UART is 19200 bps 8-N-1. (Can be changed using AT commands).
Documents
Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to ourforum.
此產品被更新的版本GPRS 遮罩 V3.0所取代
掛鉤您的 Arduino 到 GSM/gprs 蜂窩電話網絡與 gprs 遮罩!您可以使用您的 Arduino 撥打一個電話號碼或發送一個文本到您的朋友通過便於使用的命令現在。這一新版本的特點是四波段低功耗 GSM/GPRS 模組 SIM900 以及一個緊湊的 PCB 天線。同時, 對介面和基本電路進行了改進, 使其更加簡潔可靠。簽出V2.0 的改進詳細資訊。
注: 本產品的標頭是拆散裝運的。
功能
相容標準 Arduino 和 Arduino 兆
硬體串口和軟體串口之間的可選介面
四波段支援: 850/900/1800/1900 mhz
支援 TCP/UDP 協定
通過 at 命令集完全控制: 標準-GSM 07.07 & 07.05 和增強 SIMCOM at 命令
2進1耳機插孔
方便的外置 SIM 卡夾
低功耗: 1.5mA (睡眠模式)
警告
確保您的 SIM 卡已啟動。
GPRS 遮罩不帶有 ESD 預防措施。在乾燥的天氣處理時要特別小心。
GPRS 遮罩 UART 的出廠預設設置為 19200 bps 8-N-1。(可以使用 AT 命令進行更改)。
檔
請訪問我們wiki頁面以瞭解有關此產品的更多資訊。如果您能説明我們改進文檔, 添加更多演示代碼或教程, 將不勝感激。有關技術支援, 請將您的問題張貼到我們的論壇.