User Manual
Table Of Contents
- INTRODUCTION
- SECURITY
- TECHNICAL DATA
- GSM/GPRS APPLICATION INTERFACE
- HARDWARE INTERFACES
- GENERAL GUIDELINES FOR THE USE OF THE TANGO55/56
- HOUSING
- APPENDIX
- HOW TO UPDATE THE NEW FIRMWARE INTO THE TANGO55/56 MODEMS
- RF EXPOSURES
TANGO55/I & TANGO56/I VERSION 1.03
5 GENERAL GUIDELINES FOR THE USE OF THE
TANGO55/56
5.1 Getting started
5.2 Hardware & software requirements
A valid SIM card.
Free compatible
COM serial port
Pentium 90 or higher.
System memory: At least 64MB
Operating system: Windows® 95, 98/Me/2000/XP
For data, Web and email applications.
Dial-up networking configured to your ISP (Internet Service Provider).
5.2.1 Minimum hardware interface to get started
As a minimum, it is necessary to connect the following interfaces to operate the
TANGO55/56 properly:
5.2.1.1 Connecting the external antenna (SMB type)
If you are using a Dual-Band GSM antenna (see chapter 7.2 Possible external
antenna), connect the SMB-female antenna connector to the modem SMB-male
connector.
For other external antennas, please refer to manuals of manufacture’s GSM
antenna. Make sure the external antenna is for the GSM 900/1800 or 850/1900
frequencies with impedance of 50, and also the connector is secured tightly.
Note: Please use antenna designed for GSM 900/1800 or 850/1900 MHz
operation. Incorrect antenna will affect communication and even
damage the modem.
Figure 8: Connect the GSM antenna
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