The "QCX+" (QRP Labs Xcvr +): a feature-packed, high performance, single band 5W CW transceiver kit with WSPR beacon and built-in alignment and test equipment. Available for 160, 80, 60, 40, 30, ..
The "QCX=mini" (QRP Labs Xcvr - mini): a feature-packed, high performance, single band 5W CW transceiver kit with WSPR beacon and built-in alignment and test equipment. It is designed specificall..
This is a deluxe set of kits containing all the kits you need to build a smartly boxed, GPS-disciplined, 6-band QRSS/WSPR modes transmitter using the Ultimate3S.
Deluxe set contents:
The Ultimate3S QRSS/WSPR Transmitter Kit transmits various QRSS, Hell, Opera, PI4 and WSPR slow-signal modes on any LF, MF, HF or VHF band (all amateur bands from 2200m to 2m or 222MHz). Thi..
Full description on the QRP Labs VFO kit page.
The Si5351A VFO/Signal Generator kit provides two independent output freqeuncies, 3.3V peak-peak squarewave and in the range 3.5kHz to 200MHz (Si5351A..
Full details are on the Clock kit page.
Customisable shack clock with optional GPS interface, displays time, date, GPS parameters and temperature (two temperature sensors may optionally be con..
GPS Receiver module kit, including patch antenna.
This is a kit for a GNSS receiver that covers not just the United States GPS satellite network, but also Galileo (Europe), GLONASS (Russia) an..
10W HF Linear Power Amplifier. Comfortably produces 10W from 12V supply. Compact design with huge heatsink included, which will not overheat even on continuous 100% duty-cycle operation. 26dB gain wit..
This 5W HF PA kit features an IRF510 MOSFET as the amplifier. But it also includes a discrete component power modulator (like a voltage regulator), which is controlled by an 8-bit Digital to Analogue ..
This 50W Power Amplifier kit can be built for any single band of 80m, 40m, 30m or 20m using the supplied components. There are no Surface Mount Components (SMD) to solder. A suitable power supply e.g...
This kit is a simple minimalist controller for the Si5351A Synth kit (included with the ProgRock kit). It is intended as a programmable crystal replacement. It has three independent outputs with frequ..
This useful shack accessory is a 50-ohm QRP dummy load kit. Features:
20 1K 1W 1% resistors in parallel make a 20W dummy load
Peak voltage detector, for power measurement using a DVM
The Si5351A is a relatively recent clock-generator chip manufactured by SiLabs. It can produce three simultaneous independent 50-ohm impedance, squarewave outputs between 8kHz and 160MHz. Configuratio..
This kit is an Oven Controlled Crystal Oscillator (OCXO) version of the standard Si5351A Synthesiser module kit. The 27MHz OCXO is kit-built, it does not use an expensive commercial OCXO component. Ye..
This relay-switched LPF board kit can have up to five additional LPF's plugged in, permitting the Ultimate3 and Ultimate3S QRSS/WSPR kits to sequence between 6 bands (including the LPF on the main U3/..
This Low Pass Filter (LPF) kit is based on the G-QRP technical pages design by Ed Whetherhold W3NQN. Kits are available for 16 bands 2200, 600, 160, 80, 60, 40, 30, 20, 17, 15, 12, 10, 6, 4,..
This Band Pass Filter (BPF) kit is for receiver input filtering. It uses the popular double-tuned-circuit which is reliable and easy to build, without needing access to any special equipment..
This item is a set of 10 band pass filters (BPF), one for each of the HF bands 160, 80, 60, 40, 30, 20, 17, 15, 12 and 10m. The filters are designed for receiver input filtering and use the ..
A versatile Arduino shield kit, which could be used as:
Signal generator (using Si5351A module or AD9850 DDS module)
Clock generator (3 independent outputs, using Si535..
This high performance receiver module uses a Quadrature Sampling Detector (QSD), also known as a Tayloe Detector. The mixer is arranged as a double-balanced mixer for maximum performance. The receiver..
This polyphase network plug-in module is designed to fit the high performance receiver module, to cancel the unwanted sideband and produce a SSB output, without need for Digital Signal Processing. It ..
LightAPRS is the most affordable, smallest, lightest, powerful and one of few open source APRS trackers available. It makes tracking pico balloons, weather balloons, model rockets, RC aircraft, and an..
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