98-169085-B
112
Appendix A
Specifications
A
EXPLORER 323 terminal
General specifications
Characteristics
Specification
Type
BGAN Class 12, land-vehicular one-box terminal with switched-
beam antenna (no moving parts)
Services
Voice
Data
Standard IP
Streaming IP
SMS
4 kbps AMBE+2
Up to 284/225 kbps (270/158 kbps for elevations < 20 degrees)
32 or 64 kbps
a
Up to 160 characters
Interfaces
Wired
Wireless
One combined connector with:
• DC power input
• Ethernet interface, 10/100 Mbps
• Remote on/off
2.4 GHz WLAN interface, standard: 802.11 b/g
Frequencies
Inmarsat I-4
Transmit
Receive
Inmarsat Alphasat
Transmit
Receive
1626.5 - 1660.5 MHz
1525.0 - 1559.0 MHz
Extended L-Band
b
:
1626.5-1660.5 MHz and 1668.0-1675.0 MHz
1518.0 - 1559.0 MHz
G/T
≥
-18.5 dB/K, for elevations between 20° and 90°
≥
-19 dB/K, for elevations between 5° and 20°
EIRP
10 dBW ±3dB
a. 64 kbps Streaming is only available in elevations higher that 20 degrees.
b. The extended frequency range (Extended L-Band) is only available within Alphasat coverage. For coverage