DIGITAL DEPP SEA 4GXtream Premium LTE Internet Access Router Instruction Manual

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3.2  

Mounting the LTE (3G/4G) Antennas  

The 4GXtream is supplied with two LTE antennas, two base mounts  

and two 7m lengths of LMR200 coax cables.  

Installation and siting of the external LTE antennas is very important for  

maximum range, so take your time in working out the best location for  

these two antennas.  

The 7m LMR200 cables should not be extended and it is better to move  

the 4GXtream Router/Modem unit closer to the antennas than extend  

the cables. The high frequency 3G/4G signals will be attenuated by  

0.3dB per each additional meter of cable, so if you must have a longer  

coax cable run, contact Digital Yacht about swapping these cables for  

thicker LMR400 cables.  

The two LTE antennas should ideally be mounted at least 40cm apart  

(1 wavelength) to maximise the positive effect of the MIMO technology  

that the 4GXtream uses. It should be noted that there are no significant  

additional gains to be made in making the antennas even further apart.  

Avoid the antennas being blocked by other metal objects and do not  

place them close to other high-power transmitting antennas like VHF,  

HF or SSB antennas. To avoid the LTE transmissions affecting other  

devices; GPS, TV, etc. try to mount them at least 1m away from other  

antennas.  

The external LTE antennas have a 1.25” Pipe Thread and are supplied with two mounts. These mounts, designed for  

securing to a horizontal platform, are fine for most installations, but should you wish to use another type of mount such as  

those designed for VHF/GPS antennas, then you will need a 1” x 14TPI to 1.25” Pipe Thread adaptor, which are available  

from Digital Yacht (P/No.ZCELN280S).  

Once a suitable location has been found for the two external LTE antennas, secure the base mounts, attach the N-Type  

connectors to the base of each antenna and then route the LMR200 cables through to the Router/Modem unit.  

Screw the N-Type connectors from the two LMR200 antenna cables, to the 4GXtream – it does not matter which LTE  

antenna goes to which LTE connector.  

3.3  

Mounting the 4GXtream GPS Antenna  

The 4GXtream has a powerful GNSS (GPS+GLONASS+GAILEO)  

receiver, which can provide position and timing data for logging and  

geo-fencing. It is also possible to configure it to send this data to the  

NMEA 2000 interface, but this is not enabled by default.  

A small passive, adhesive backed, GPS antenna is supplied with 3m of  

cable. It is designed for discrete mounting, inside the boat and should  

be mounted close to a window or where there is just glass or GRP  

between the antenna and the sky.  

The SMA connector should be screwed into the GPS connector on the  

4GXtream.  

For installations that require an external GPS sensor, Digital Yacht can supply the MA800 antenna (Part/No X500.391)  

which comes with 10m of cable and can be fitted on a standard 1”x14TPI thread VHF/GPS mounting bracket.  

3.4  

Power Requirements  

Product Handbook for 4GXtream (NMEA 2000) V1.02  

TEL + 44 1179 554474 www.digitalyacht.co.uk sales@digitalyacht.co.uk  

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General	Details
Name	DIGITAL DEPP SEA 4GXtream Premium LTE Internet Access Router Instruction Manual
Make	DIGITAL DEPP SEA
Language	English
Filetype	PDF (Download)
File size	0.27 MB

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