SCR Preselector.

The SCR Preselector on WinRad and HDSDR
It is tracked with any radio supported by Winrad v1.6.1 and HDSDR.

Tiny Plus SCR Preselector

Tiny Plus SCR Preselector on WinRad and HDSDR
It is tracked with any radio supported by Winrad v1.6.1 and HDSDR.

tiny SCR Preselector.

tiny SCR Preselector supported on FlexRadios

Tiny SCR Preselector on WinRad and HDSDR
It is tracked with any radio supported by Winrad v1.6.1 and HDSDR.

VLF-LF 10KHz to 500KHz to 3.5MHz-4MHz up converter

VLF-LF 10KHz to 500KHz to 4MHz-4.5MHz up converter

General purpose HF Dual By-Pass relay.
150Watts PP RF power rating.

NEW

General purpose VHF Dual By-Pass relay.
150Watts PP RF power rating.

General purpose antenna/signal relay.
150Watts PP RF power rating.

Solid State RF switch (no relays)
10KHz - 3GHz

NEW

Antenna Splitter & 150Watts PP By-Pass Relay

Passive Antenna/Signal Splitter
Frequencies range:
model HF 100KHz to 400MHz
- Insertion loss: 3dB max.

Passive Antenna/Signal Splitter
Frequencies range:
model VLF 4KHz to 60MHz
- Insertion loss: 3dB max.

NEW

Antenna Splitter & 150Watts PP By-Pass Relay

100 Watts Broadcast Band Rejection filter (BCB filter)
By-passed filter in reception with no relays.
Suitable for inserting between any HF transceiver and antenna.

Mini Low Pass Filters range

10KHz to 60MHz Antenna Galvanic Isolator System for SDR radios

Impedance Adapter for Long Wire Antenna (Galvanically Isolated)

VHF-UHF-SHF Antenna Galvanic Isolator System for SDR radios

0 TO 71 dB step attenuator Ladder configuration.

Pad attenuators range

150 Watts PP, 40dB Tap attenuator
Panoramic adaptor for transceivers.

Mini Z bridge.
General purpose impedance measurement bridge.

LODESTONE PACIFIC

Toroid Mounts