Multi-Mode QRSS/WSPR Transmitter kit Ultimate3S U3S

QRP Labs; Sussex

Data
Forum
Pictures
Collections

  • Year
  • 2015
  • Category
  • Amateur Transmitter (only)
  • Radiomuseum.org ID
  • 324652

 Technical Specifications

  • Main principle
  • Transmitter
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Direct Current supply (DC) / 5 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Multi-Mode QRSS/WSPR Transmitter kit Ultimate3S U3S - QRP Labs; Sussex
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Dimensions (WHD)
  • 120 x 45 x 180 mm / 4.7 x 1.8 x 7.1 inch
  • Notes

  • An Amateur Band transmitter supplied as a kit with an optional aluminium case. It can produce QRSS, Hell, WSPR, Opera and PI4 slow-signal modes anywhere from 2200m to 2m and even 222MHz bands.  Plug-in LPF filters are available for all 16 HF/MF/LF/VHF bands from 2200m to 222MHz. Measured Output Power about 70 mW into 50 ohms (it is possible to increase Output Power to about 200 mW by adding 2 BS170 transistors (supplied) to the final stage. An optional external GPS receiver module kit (eg: QLG1) sets the time, maintains precise timekeeping, sets location, calibrates the output frequency and corrects temperature-induced frequency drift  With 9-pin D connector, power socket and matching plug, BNC connector.

    Launched January 2015.

  • Net weight (2.2 lb = 1 kg)
  • 0.5 kg / 1 lb 1.6 oz (1.101 lb)
  • Mentioned in
  • -- Original-techn. papers. (QRP Labs Ultimate3S specification)
  • Author
  • Model page created by Emilio Focosi. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model Multi-Mode QRSS/WSPR Transmitter kit is part of the collections of the following members.

 Forum