SPE-12-8-047/D/EZ Page 2 of 22 
1. INTRODUCTION
 
The G21 (Generation II) Hercules is a high performance steel thread-mount Penta-band
cellular antenna for external use on vehicles and outdoor assets worldwide. Omni-
directional high gain across all bands ensures constant reception and transmission.
Durable UV resistant ABS housing is resistant to vandalism and direct attack. At only 29
mm height it complies with the latest EU height restrictions directives for roof-mounted
objects, with a diameter of 49 mm. Designed to not catch on tree-branches. This
antenna can be mounted on metal structures.
 
2. SPECIFICATION
ELECTRICAL CELLULAR
Standard
AMPS
GSM
DCS
PCS
3G
Band (MHz)
850
900
1800
1900
2100
Frequency (MHz)
824-896
880-960
1710-1880
1850-1990
1920 2170
Return Loss (dB)
 
 
 
 
 
Cable
length
(meter)
0.3
-6.0
-5.2
-6.1
-6.2
-5.8
1.0
-7.8
-8.7
-11.4
-15.3
-13.7
2.0
-8.1
-9.3
-16.5
-20.3
-19.5
3.0
-11.0
-12.4
-17.5
-18.3
-18.1
5.0
-11.8
-13.6
-17.6
-17.8
-17.8
Efficiency (%)
 
 
 
 
 
Cable
length
(meter)
0.3
51.1
41.4
38.0
46.5
32.3
1.0
29.4
40.2
42.2
43.4
29.9
2.0
24.3
27.5
28.4
20.2
19.6
3.0
24.6
27.6
22.0
17.8
15.0
5.0
17.1
16.4
15.7
15.0
12.0
Gain (dBi)
 
 
 
 
 
Cable
length
(meter)
0.3
1.8
0.8
1.3
3.9
1.5
1.0
1.0
2.2
0.6
1.6
-0.3
2.0
0.9
1.8
0.2
-0.7
-1.1
3.0
0.8
0.9
-1.0
-1.1
-2.2
5.0
-1.0
-0.5
-4.5
-4.2
-4.3
Polarization
Linear
Impedance
50 ohms
Max Input Power
10 watts
WR
<3.5:1
*Note: The return loss, efficiency and gain in the above table, were measured on 30x30 cm
metal plate with RG174 cable. For a specific case performance refers to the below plots.
相关PDF资料
GA.107.201111 ANTENNA 5-BAND MAGNETIC BASE
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