System Operation Manual
SAT-DN-00434, Rev. B
LOBO
2017-05-16
Page 43 of 86
Copyright
2017 Sea-Bird Scientific. All rights reserved.
Internal Antenna
Cellular Modem
Assembly
Figure 28: RiverLOBO Modem Assembly
6.1
External Antenna and Antenna Cable
The Wireless Telemetry System uses a dual-band marine-grade cellular antenna, connected to the modem
enclosure through a low-loss coaxial cable. The specifications are summarized in Table 16; the antenna is
shown in Figure 29.
Table 16: Antenna and Cable Specifications
Manufacturer
Shakespeare
Model
Galaxy 5412-P
Frequency
Dual Band 800-900 MHz and 1800-1900 MHz
Gain
3 dB
Length
2 feet
Connector
N female
Extension Adapter
4 ½” length, female to female, 1”
-14 threads
Antenna Base
3” diameter, 1”
-14 thread
Cable Type
Shakespeare Lo-Max®
Cable Length
5 meters (can be shortened)
Cable Connectors
N-male (to antenna), TNC male (to modem enclosure)