u-blox Malmo AB 000501 사용자 설명서
11
Chapter 4
Antennas
There are 3 different antennas available:
•
A internal surface mounted (SMD) antenna.
•
A 1/4
λ
stub antenna for panel montage.
•
An antenna attach to a coaxial cable.
See chapter about Mounting for more info about antenna placement.
4.1 1/4
λ
stub antenna
Frequency range
2400-2484 MHz
Polarization Linear
Azimuth beam
width
width
Omni directional
Picture 1 - Stub antenna
4.2 Coaxial
cable
antenna
Frequency range
2400-2484 MHz
Polarization Linear
Azimuth beam
width
width
Omni directional
Picture 2 - Cable antenna