For Sale New Version 4.2 Precision HF UpConverter for RTL2832U / E4000 SDR Radio Dongle , RTL3832U  FC0013 R820T Funcube with  ADE-1DBM mixer 

LNA HF preamplifier

 two antenna inputs UHF and HF 
select switchLED lights active input

• News: 3 trimmers: adjustable Local level, HF preamplifier gain, and Output level 
optimized settings for SDR tuner

• V
ery High sensitive converter

• The USB A and USB mini B optional connectors for +5V power supply

• Local frequency: 100.0000 MHz ( or 125MHz)


 precision local oscillator


 Operating frequency is 100KHz to 60MHz 

   - 1.8MHz = 101.8MHz 

   - 3.5MHz = 103.5 MHz etc.

• 3x good quality SMA connectors

•  PCB size 5cm x 3cm

 package includes: 1pcs converter 
in ESD bag + bubble package

• I Ship to Worldwide registered, and priority package mail!

• Manufacture: janielectronics




How do I install it?

on PCB is written connectors antennas input.

Top SMA UHF antenna (no offset, local frequency off)

Middle connector need connect to RTL SDR tuner dongle antenna input.

Bottom SMA connector need connect HF antenna.

switch to select the active antenna input.

The offset frequency HF band +100MHz,

for example: 3.5MHz = 103.5MHz 

RTL SDR in software set frequency 103.5MHz 
etc.

UHF mode the signal passes through.

SMA A and SMA mini B connectors only +5V power supply.