G21BW301111 Datasheet, PDF (2/21 Pages) List of Unclassifed Manufacturers – G21.W Hercules Gen.II Penta Band Cellular Antenna Screw-mount - White Version GSM/GPRS/CDMA/EVDO/UMTS/HSPA/WCDMA

1. Introduction
The G21.W (Generation II) Hercules
is a high performance steel thread-mount
Penta-band cellular antenna for
external use on vehicles and outdoor
assets worldwide.
2. Specification
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.
Electrical Cellular
Standard
Band (MHz)
Frequency (MHz)
AMPS
850
824-896
GSM
900
880-960
DCS
1800
1710-1880
PCS
1900
1850-1990
3G
2100
1920-2170
Return Loss (dB)
Cable length
0.3
(Meter)
1.0
2.0
3.0
5.0
-6.0
-7.8
-8.1
-11.0
-11.8
-5.2
-8.7
-9.3
-12.4
-13.6
-6.1
-11.4
-16.5
-17.5
-17.6
-6.2
-15.3
-20.3
-18.3
-17.8
-5.8
-13.7
-19.5
-18.1
-17.8
Efficiency (%)
Cable length
0.3
(Meter)
1.0
2.0
3.0
5.0
51.1
41.4
38.0
46.5
32.3
29.4
40.2
42.2
43.4
29.9
24.3
27.5
28.4
20.2
19.6
24.6
27.6
22.0
17.8
15.0
17.1
16.4
15.7
15.0
12.0
Gain (dBi)
Cable length
0.3
(Meter)
1.0
2.0
3.0
5.0
1.8
0.8
1.3
3.9
1.5
1.0
2.2
0.6
1.6
-0.3
0.9
1.8
0.2
-0.7
-1.1
0.8
0.9
-1.0
-1.1
-2.2
-1.0
-0.5
-4.5
-4.2
-4.3
Polarization
Linear
Impedance
50 Ohms
Max Input Power 10 Watts
VSWR
< 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.
SPE-12-8-155/B/EZ | page 2 of 21