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 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 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 ..
06-Mar-2024: We are waiting for QLG2 PCBs. Your order will wait until the QLG2 PCBs get here, estimated
around first half of April. This is a deluxe set of kits containing all the kits you nee..
06-Mar-2024: We are waiting for QLG2 PCBs. If you order the QLG2
option, your order will wait until the QLG2 PCBs get here, estimated
around first half of April. This is a set of all the kti..
06-Mar-2024: We are waiting for QLG2 PCBs. If you order the QLG2
option, your order will wait until the QLG2 PCBs get here, estimated
around first half of April. The "QCX+" (QRP Labs Xcvr +)..
06-Mar-2024: We are waiting for QLG2 PCBs. If you order the QLG2
option, your order will wait until the QLG2 PCBs get here, estimated
around first half of April. The "QCX-mini" (QRP Labs Xcv..
As of 14-May-2020, the QCX transceiver kit has been replaced by the new QCX+ kit http://shop.qrp-labs.com/qcxp
The "QCX" (QRP Labs Xcvr): a feature-packed, high performance, single band 5..
The "QDX-M" (QRP Labs Digital Xcvr-Monoband): a feature-packed, high performance, SINGLE BAND Digi-modes transceiver kit, including embedded SDR receiver, 24-bit 48 ksps USB sound ..
Beta firmware supports CW and Digi (all functionality of both QCX-mini and QDX).06-Mar-2024: We are waiting for QLG2 PCBs. If you order the QLG2
option, your order will wait until the QLG2 PCB..
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..
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..
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..
06-Mar-2024: We are waiting for QLG2 PCBs. If you order the QLG2
option, your order will wait until the QLG2 PCBs get here, estimated
around first half of April. The Ultimate3S QRSS/WSPR Tra..
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..
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..
06-Mar-2024: We are waiting for QLG2 PCBs. Your order will wait until the QLG2 PCBs get here, estimated
around first half of April. GPS Receiver module kit, including patch antenna.
This is..
NOTE: this Special Edition (SE) QLG2 was produced while the QLG2 was out of production due to the global semiconductor crisis. We have managed to get new stock of the microcontroller chip used in QLG2..
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 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 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 ..
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 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..
A versatile Arduino shield kit, which could be used as:
QRSS/WSPR Transmitter
Signal generator (using Si5351A module or AD9850 DDS module)
Clock generator (3 independent outputs, using Si535..
Full details are on the Clock kit page.06-Mar-2024: We are waiting for QLG2 PCBs. If you order the QLG2 option, your order will wait until the QLG2 PCBs get here, estimated around first half of ..
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 ..
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..
06-Mar-2024: We are waiting for QLG2 PCBs. If you order the QLG2
option, your order will wait until the QLG2 PCBs get here, estimated
around first half of April. A programmable crystal repla..
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..
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..
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..
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...
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..