Allo.com GSM Series 사용자 설명서 - 페이지 8

{카테고리_이름} Allo.com GSM Series에 대한 사용자 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. Allo.com GSM Series 20 페이지. Digital telephony card

GSM Digital Telephony Card User Manual – Version 1.0

Introduction of GSM Module:

The Q2687 Refreshed Wireless CPU® is a self-contained

E-GSM/DCS/GSM850/PCS-GPRS/EGPRS 900/1800/850/1900 quad-band

Wireless CPU®. It supports a powerful open software platform (Open AT®).

• One SIM card per GSM module

• DTMF detection

• GSM data connections

• DIGITAL audio quality

• Monitors GSM signal strength by command and 4 LEDs.

• Power consumption(MAX): 30W (4 channels)

• Support external antenna

• GSM connectivity for PBX

• Mobile PBX

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Figure:4 SIM Card placement

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