Answer: There is a circular grommet located at the base of your telephone's antenna. The round connector located on the back of the 5100 and 6100 series model is a direct connection for an additional antenna. However, due to the number of different types and applications, neither RadioShack nor Nokia® provide external antennas for the car kit. You should contact your local RadioShack store for the type of external antenna that will best support the system and terrain in your area. Dual mode antennas are capable of connecting either to 800 megahertz (MHz) systems or 1900 MHz systems. If your telephone can be operated in both 800 MHz and 1900 MHz frequencies, then a dual mode antenna is needed.
If your telephone is a GSM-1900 telephone and does not have the Analog module, then only the 1900 MHz antenna would be needed. If the telephone does have the Analog module, a dual mode antenna would be required.
Below are 3 antenna vendors that carry dual band antennas:
- Tessco: 800-472-7373
- Mobile Mark: 800-648-2800
- Antenna Specialists: 440-349-8400
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