MFJ-1708SDR

General discussions
Joevano
Posts: 9
Joined: Fri Aug 10, 2018 1:44 pm

MFJ-1708SDR

Postby Joevano » Mon Nov 12, 2018 2:45 am

Two questions:
Does anyone know the difference between the 1708 and the 1708B?
Are there any other similar devices on the market?

Reason: No reason

Roger
Posts: 170
Joined: Fri Dec 29, 2017 7:59 pm

Re: MFJ-1708SDR

Postby Roger » Mon Nov 12, 2018 5:07 pm

There are several companies that make SDR antenna switches.

Elad - http://ecom.eladit.com/ELAD-ASW-1-SWITCHBOX-RF-AF-RX/TX-Automatic-Exchanger

Heros https://www.herostechnology.co.uk/pages/RF_Relays.html#SLIMRL

DX Engineering - https://www.dxengineering.com/parts/dxe-rtr-2

QRP Kits SDR Switch Module - https://www.qrpkits.com/files/EasyTRSW3_20171212.pdf

The difference between the MFJ 1708SDR and 1708BSDR is outlined in the ad below. The B is worth the extra money because it has many improvements including wider frequency range, addition of a hybrid port splitter and better receiver isolation.

New MFJ ad.jpg
New MFJ ad.jpg (251.2 KiB) Viewed 768 times

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