Other kits
10W HF Linear PA
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..
$26.00
50W PA for QCX-series
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...
$29.50
Deluxe 6-band U3S set
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 Ultimat..
$136.99
HF Sinewave VFO/SigGen set
This is a set of all the kits you need to build the sinewave output signal generator described in App Note AN006. Using VFO kit firmware s1.03 or above, the firmware can operate the VFO/SigGen kit wit..
$79.59
Receiver module kit (including BPF)
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..
$25.00
U4B - Balloon tracker
The world's cheapest, lightest, simplest yet most flexible and expansion-capable WSPR high altitude balloon tracker ever! Includes USB interface for configuration, 128K disk, tons of features... perfe..
$56.09
Ultimate3/3S case kit
Please click here for full description. This kit contains: 4-part black anodised aluminium case, 122 x 45 x 160mm deep, including 8 screws 2x toggle switch 2x push button, red colou..
$22.00
Ultimate3S QRSS/WSPR kit
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..
$35.99
VFO/Signal Generator kit
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..
$35.99
QLG2 GPS Receiver module kit
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..
$23.00
QLG3 GPS Receiver module for QMX+
QLG3 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 the Beidou (Chinese) satellite s..
$21.00
Si5351A synthesizer module kit
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..
$7.75
Ultimate relay-switched LPF kit
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/..
$16.00
Band Pass Filter kit
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..
$4.90
Band Pass Filter kit set
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 ..
$49.00
Low Pass Filter kit
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,..
$4.60
50-ohm 20W Dummy Load
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 BNC con..
$8.50
Clock kit
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..
$21.99
Polyphase network kit
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 ..
$11.00
ProgRock2 kit
A programmable crystal replacement. It has three independent outputs with frequency range 3.5kHz to approx 300MHz, and can be optionally GPS disciplined. Configuration is by a micro-USB connector and ..
$18.00
QRP Labs Control Unit
This is the basic kit that is at the heart of the Ultimate3S QRSS/WSPR transmitter kit, the VFO/Signal Generator kit, and the Clock kit. This "QRP Labs Control Unit" kit can be used in case it is nece..
$15.20
QCX+ Dev Board
The QCX+ development board kit is for anyone who wishes to experiment or modify their QCX+. The development board kit consists of a kit of parts including a PCB with the following features: High..
$9.00
QCX-series AGC module
AGC module for the popular QCX-series CW transceivers. This AGC module can be fitted to any PCB revision of QCX (classic), QCX+ and QCX-mini. This small 19 x 16mm ready-assembled AGC module is ba..
$6.00
QMX+ Dev kit
The QMX+ development board kit is for anyone who wishes to experiment or modify their QMX+. The development board kit consists of a kit of parts including a PCB with the following features: High..
$8.00
TCXO
The 25MHz TCXO module option provides frequency accuracy and stability to your QCX+, QCX-mini or other QRP Labs kits (including Ultimate3S). This is a tiny, ready-assembled PCB measuring 14.8 x 10...
$8.25
QLG2 GPS accessory kit
QLG2 GPS accessory kit A standard 1602 alphanumeric LCD module (80 x 36mm PCB) can be connected to the QLG2 GPS Receiver and used to show time (UT) and satellite information. This kit comprises the..
$9.00