Modem vệ tinh Inmarsat BGAN kết nối Datalogger qua Ethernet IP Campbell Scientific HUGHES9502

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HUGHES9502 Inmarsat BGAN Satellite IP Terminal

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Modem vệ tinh Inmarsat BGAN kết nối Datalogger qua Ethernet IP Campbell Scientific HUGHES9502


The HUGHES9502 is a packaged solution for adding real-time IP communications to a remote station. Using the Inmarsat Broadband Global Area Network (BGAN) to provide reliable end-to-end IP connectivity, the Hughes 9502 terminal makes it easy to connect to a remote station with Campbell Scientific software or with the many IP protocols supported by our hardware. If cellular communications would be a perfect solution for an application, but the station is outside the area of cellular coverage, the Hughes 9502 is likely a great alternative.

The HUGHES9502 package includes all the hardware needed to get started. Simply add a power source and Ethernet-capable datalogger or peripheral, and then provision the terminal with a data plan. The HUGHES9502 kit includes the Hughes 9502 terminal, directional antenna, antenna cable, all mounting hardware, and all the cables needed to connect the terminal to the datalogger and power supply.

Note: The HUGHES9502 does not offer an omni/mobile antenna connection.

Detailed Description

The Inmarsat BGAN network uses geostationary satellites orbiting the equator. Stations using the Hughes 9502 must provide the flat, directional antenna with a good view of the southern (Northern Hemisphere) or northern (Southern Hemisphere) sky. Stations should be located between +70° and -70° latitude. Stations located at the extreme latitudes will need a better view of the horizon at low angles. There are also multiple methods for addressing average power consumption. The unit can idle in a low-power state or easily be put to sleep under datalogger control. Therefore, the Hughes 9502 can be a good fit for stations with a sensitive power budget.

The 31447 HUGHES9502 Parts Included Kit that ships with the HUGHES9502 includes the following:

  • (1) 31440 Power Wire Set of Red and Black Wires, 2 ft

  • (1) 28899 CAT6 Ethernet Unshielded Cable, 2 ft

  • (1) 17856 Serial Cable, DB9 Female to Pigtail, 2 ft

  • (1) 17648 USB Cable, Type A Male to Type B Male, 6 ft

Communication Performance

Information provided by Inmarsat: "Send data using BGAN Standard IP at a rate of up to 448kbps with a low latency from 800* milliseconds, assuring real-time visibility of critical data." 

* "Please note latency is dependent on the end-to-end routing and this figure cannot be guaranteed."

Campbell Scientific has observed the following:

  • Raw upload (datalogger to Internet) speeds: 100 kbps typical

  • PakBus payload upload speeds: typically greater than 12 kbps

  • ICMP ping time: 1 second typical

  • PakBus ping of 1000 bytes: 2.5 seconds typical

Note: Data transfer speeds can vary depending on location, signal strength, and the protocol used.


Nominal Input Voltage

+12 Vdc or +24 Vdc

SIM Card Type


Water & Dust Ingress Protection Rating

IP-40 Compliant

Operating Temperature Range

-40° to +75°C

Storage Temperature Range

-55° to +75°C

Humidity Tolerance

95% RH (at +40°C)


150 x 200 x 45 mm (5.9 x 7.87 x 1.77 in.)


1.12 kg (2.47 lb)


Satellite Transmit

1626.5 to 1675 MHz

Satellite Receive

1518 to 1559 MHz


1574.42 to 1576.42 MHz

Power Consumption


< 20 W peak

Narrow Beam without Transmit

4 W

Idle (Regional Beam)

< 1 W

Sleep (Wake on Ethernet Packet)

< 10 mW (@ 12 Vdc)

Off, GPIO Sleep Pin Control

< 3 mW (@ 12 Vdc)


Power Input

Screw terminal, reverse polarity protected

Antenna Connector

TNC jack


10BaseT, RJ45 connector (used for datalogger or PC communications)

USB Connector

Type B (used for PC communications)

RS-232 Connector

GNSS DB9 (used for GPIO sleep pin control)


Wind Loading

Survival wind loading up to 160.93 kph (100 mph)

Water & Dust Ingress Protection Rating

IP-65 Compliant

Cable Connectors

Type N male-to-type N male (Type N-to-TNC adapter included for antenna-to-terminal connection)

Cable Length

10 m (30 ft)


38.5 x 38.5 x 3.3 cm (15.2 x 15.2 x 1.3 in.) without mount


1.85 kg (4.08 lb) without mount



HUGHES9502 Inmarsat BGAN IP Satellite Terminal Kit

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