Here you can find current and archived information from our company regarding our products, services and events.

  • 2024

    01.07.2024

    New firmware for the RDR51 “Pocket” and RDR52.

    New firmware versions for the “Pocket” and the RDR52 are available. Some minor bugs were fixed and additional features were implemented at the request of many users.

    Many thanks to everyone who ordered the "Ham Radio" trade fair’s special edition of the RDR52! The devices will be dispatched in the next few days. Of course the new firmware is already installed.

    28.05.2024

    Special Ham Radio fair offer for receiver RDR52

    Unfortunately, we cannot participate as an exhibitor at the Ham Radio in Friedrichshafen this year. Nevertheless, we would like to make a special offer for the trade fair period to those interested in our products:

    • RDR52:  Black housing, 0 - 71 MHz + module 2 with 87 - 154 MHz, without DAB
    • Special trade fair price RDR52S1 14 bit: 944 €
    • Special trade fair price RDR52S2 16 bit: 999 €

    The devices can be ordered directly from us by email during the trade fair from June 28th, 2024 to June 30th, 2024. Orders received outside of this time cannot be considered! Only while stocks last! Shipping will take place from July 1st, 2024 (against advance payment or cash on delivery).

    RDR52sw2

    Ferrite antenna RFA updated to version 2

    The ferrite antenna RFA1 has been revised and is now available in version 2 (for now, only variant B for outdoor installation). The following changes have been made:

    • Significantly more ferrite material (95 g instead of 55 g).
    • Ferrite type 43 to achieve higher quality in the LW and MW range.
    • Very low-attenuation electronic switches for tuning (capacitor switching, without varactors).
    • Optimization of the amplifier for extremely low intrinsic noise (double SFET with 2x 40mS).
    • Gain maximization of the ferrite rod coil for the LW and MW range (limitation to 137 kHz - 2.0 MHz, omission of SW range).

    Thanks to these adjustments, the RFA2 achieves a significantly better reception performance (less intrinsic noise, higher output level) compared to the RFA1. Reception is comparable with the RLA4G loop antenna and similar designs. However, the RFA2 is considerably smaller and lighter and even less sensitive to QRM. For users without the possibility of setting up "annoying" (easily visible) external antennas, the RFA2 offers a way to avoid the domestic interference fog, at least in the LW and MW range.

    The devices will be available from June 2024. Please also note our new price list valid from May 28, 2024.

    13.02.2024

    New variants of receiver RDR52!

    So far, the RDR52 has been manufactured in version "C": 16-bit ADC with a clock speed of around 84 MHz. The circuitry of the device and the complete signal processing chain have now been converted to twice the clock frequency of around 167 MHz. This results in an expansion of the reception range, especially the elimination of the previous gaps in the range of 30 - 50 MHz and 110 - 136 MHz. This means that, at the request of many users, the aviation radio range can now also be received completely.

    The new devices are offered in two basic versions:

    • RDR52B1: 14 Bit ADC, 0 - 71 MHz.
    • RDR52D1: 16 Bit ADC, 0 - 71 MHz.

    The available expansion modules are also adapted in the frequency range:

    • Module 2: Receiver Unit 87 - 154 MHz.
    • Module 4: Exciter 10 mW  0,1 - 154 MHz.

    The devices are available immediately.

    Please also note our new price list from 13.02.2024.

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