MC39i西门子公司总裁前来参加会议的调制解调器纳减贫战略，调制解调器RS232

Siemens modem and gsm modem :Lowest Price and High Quality RS232/USB/RJ45/PCI/,900/1800Hz Products Name:RS232 GPRS MODEM Products Model:HT0MC39 Products Interface: RS232 Products Module:Base on Siemens MC39I Module Products Band:Dual-band (900/1800 MHz) Products function:sms.fax.data.voice(Insert phone)Industrial design General features: Based on Siemens module MC39I Dual-Band GSM 900/1800 MHz Compliant to GSM phase 2/2+ Output power: Class 4 (2 W) for EGSM900 Class 1 (1 W) for GSM1800 Control via AT commands SIM Application Toolkit Supply voltage range: 7-30 V Temperature range Normal Operation: -20°C to +70°C Restricted Operation: -25°C to +75°C Switch off: +80°C Storage: -40°C to +85°C Size65*74*33mm Weight95g Accessories: AC/DC adaptor, RS232 cable, antenna with 3-meter cable and magnetic stand, Specification for GPRS data transmission: GPRS class 10: max. 85.6 kbps (downlink) Mobile station class B PBCCH support Coding schemes CS 1-4 Specification for CSD data transmission: Up to 14.4 kbit/s V.110 Non-transparent mode USSD support Specification for SMS: Point-to-point MO and MT SMS cell broadcast Text and PDU mode Specification for fax: Group 3, class 1, 2 Specification for voice: Triple-rate codec for HR, FR and EFR Basic hands-free operation Echo cancellation Noise reduction Interfaces: Antenna connector FME (male) Plug-in power supply Handset audio interface Mini-SIM card reader V.24/V.28 interface on the 9-terminal Sub-D socket Operating status LED