why discontinued? because upconverter use internal Lo.
This Lo effect to AGC of RTL2832U as strong signals.
I choose direct sampling mode for low frequency band.Please visit Soft66Q page.
(newest version of Soft66 series)
New Version Soft66RTL3 is released.
(4 band filter, thermal pad)
including RTL2832u+R820T with 50MHz upconverter
expanding receiving range to about 1MHz to 30MHz.
including 3.5mm jack for external antenna.
- 3MHz to 30MHz, 50MHz to 1GHz recieving
- USB power no additional supply
- tiny aluminium box(case color is black or silver)
- high sensitive RF amp
- low pass filter, 50ohm impedance SMA jack
- low cost
installation is same with TV dongle.
just you need to recieve 50MHz upper frequency.
if you want to recieve 7.1MHz, tune 57.1MHz.
3.5mm antenna jack is about 300 ohm for Degen loop antenna
for SWL users.
4band BPF with rotary switch
0.4 to 1.2MHz
1.2 to 5MHz
5 to 15MHz
15 to 30MHz and above upto 1.7GHz
with thermal sink pad
Please visit related LINK for installation
set up driver and receiving around 6Mhz to 7Mhz
- Q1. USB Dongle is very hot.
A. it is normal. R820T is becomming hot.
Q2. I can not
Please read installation
and explain your setting details. I am not god. I need your
is working. But VHF is not working.
A. Please check SMA connector conection.
Q4. HF is good sensitive. But MW is very bad
NO AGC on EXIO.dll. reduce RF gain of USB
dongle to about 10db. turn up RF gain trimmer of Soft66RTL2.
ALMOST trouble is SMA
connection. Please check your SMA connector center pin is contacted to
Q5. Soft66RTL may be working. But it is not enough
check antenna connection.
if you connect only SMA center PIN, it is bad. Please use SMA connector.