Chapter 1 – Product Description and Specifications
Multi-Tech Systems, Inc. MultiModem GPRS Wireless Modem User Guide
9
Antenna Specifications
GSM/EGSM Antenna Requirements/Specifications
Frequency Range:
824 – 960 MHz / 1710 – 1990 MHz
Impedance:
50 Ohms
VSWR:
<2.0:1
Typical Radiated Gain:
3 dBi on azimuth plane
Radiation:
Omni
Polarization:
Vertical
Wave:
Half Wave Dipole
Antennas Available from Multi-Tech Systems, Inc.
Description
Part Number
Hinged Right Angle 900/1800 MHz Cellular Modem
Antenna
ANF1-1HRA
Hinged Right Angle 800/1900 MHz Cellular Modem
Antenna
ANF21HRA
Hinged Right Angle 850/900/1800/1900 MHz Cellular
Modem Antenna
ANQB-1HRA
PTCRB Requirements Note
There cannot be any alteration to the authorized antenna system. The antenna system must be the
same type with similar in-band and out-of-band radiation patterns and maintain the same specifications.
FCC Requirements Note
The antenna gain, including cable loss, must not exceed 3.0 dBi at 1900 MHz / 1.6 dBi at 850 MHz for
mobile operating configurations and 7.0 dBi at 1900 MHz / 2.3 dBi at 850 MHz for fixed mounted
operations, as defined in 2.1091 and 1.1307 of the rules for satisfying RF exposure compliance.
