Assembled dual band QRP transverter 144MHz+432MHz to 28MHz, highly stable.

USED

Add more bands to your HF radio!!!

For sale the UR3LMZ dual band transverter 144 MHz + 432 MHz with high dynamic range. It is specially developed for difficult reception conditions: contest, DX, nearby power amateur radio and radio television stations. The mixer is made on a special high frequency ADE chip with a huge dynamic range of IP3 + 17 dBm typical.

We have installed a highly stable frequency synthesizer in this model. This has allowed us to achieve a long-term stability of 0.2 ppm. High frequency stability allows operation in FM, SSB, CW and even digital mode (FT8, JT65, etc.) with an output power of 0.25 watts on 144 and 432 MHz.

With this transverter you can operate on the 144 MHz and 432 MHz bands using any type of 28 MHz HF radio. This item is specifically designed and works very well with SDR and FLEX radios with cascaded spectrum: it has separate inputs and outputs on 28 MHz and separate outputs on 144 MHz and 432 MHz.

This transverter is completely assembled and configured in the UR3LMZ workshop. It is equipped with a robust aluminum case. All lettering is marked with a modern laser engraving method. The lettering is not erased and looks very elegant.

About this transverter:

RF range 144-150 MHz and 432-438 MHz

IF range 28-32 MHz

DC current 12V to 14V. Current consumption 0.5A (TX)

LO frequency 116 MHz and 404 MHz or 118 MHz and 406 MHz via JP2 permutation

LO accuracy at 18°C: +/- 0.1 ppm

Frequency stability LO (-20 ... +70 °C) +/- 0.2 ppm

RF IF input power at 28 MHz: approx. 0.25-5 mWt

Output power at 144 and 432 MHz: up to 320 mW

RX Gain: 20dB

TX Gain: 23.6 dB (1.1 mW in = 250 mW out)

Dynamic range: IP3 +17 dBm (typical)

Noise Factor: 1.0dB max, 1.5dB at 432MHz

PTT to ground. Standard SMA type RF connectors

Dimensions: 9cm x 8cm x 3cm (3.74in x 3.15in x 1.18in)

Weight: 0.22kg (7.8oz)