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無線傳輸模塊

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聯(lián)系我們

地址：北京市昌平區(qū)回龍觀北京國際信息產(chǎn)業(yè)基地發(fā)展路1號院（集智達大廈5層）

郵編：102206

電話：010-81909399

傳真：010-81909456

網(wǎng)址：http://www.liujiqiang.com

E-mail：marketing@gemotech.cn

R-8552/8554 GPRS Modem

主要特點
- 采用10V-30V寬電源供電和SMA天線接口，用戶無需其他外圍電路即可通過,RS-232輕松實現(xiàn)與Internet 的數(shù)據(jù)互聯(lián)；
- 端子可插拔，導軌安裝；
- 產(chǎn)品體積小，既可以作為嵌入式使用，也可以外置使用；

產(chǎn)品型錄

產(chǎn)品介紹
產(chǎn)品規(guī)格
檔案下載

GPRS Modem內(nèi)置無線通訊模塊，集成了標準的RS-232/RS-485接口以及SIM卡接口，您可以在PC機上用AT命令通過串口對它進行設(shè)置和撥號上網(wǎng)、數(shù)據(jù)通信（利用PC機的TCP/IP、PPP等協(xié)議）。用GPRS Modem可以快速組建無線數(shù)據(jù)通信網(wǎng)絡(luò)，實現(xiàn)實時遠程的數(shù)據(jù)傳輸，在數(shù)據(jù)采集和遠程監(jiān)控等諸多行業(yè)應(yīng)用領(lǐng)域GPRS Modem 將會給您提供簡便實用的無線數(shù)據(jù)通訊解決方案。

- 支持GSM900和GSM1800雙頻
- 支持數(shù)據(jù)、語音、短消息和傳真
- 采用電路交換速率為14.4kbps
- GPRS Class2（Class10）、支持AT命令設(shè)置
- 支持電壓范圍：10V-30V、低功耗
- 采用接口RS232
- SIM插槽

訂貨信息
- R-8552 Modem：采用WAVECOMM GPRS模塊
- R-8554 Modem：采用SIMCOMM GPRS模塊

- 天線：可選吸盤式天線和桿式天線

（本產(chǎn)品新舊包裝混發(fā)）

Driver

日期	說明	版本	操作系統(tǒng)	下載

Manual

日期	說明	版本	操作系統(tǒng)	下載

基本文件流程錯誤 SQL 調(diào)試

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/usr/home/qyu61771/htdocs/ThinkPHP/Library/Behavior/ShowPageTraceBehavior.class.php ( 5.14 KB )

1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') ) LIMIT 4' at line 1 [ SQL語句 ] : SELECT * FROM `fc_article` WHERE ( `article_id` IN () ) LIMIT 4
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R-8552/8554 GPRS Modem

Driver

Manual