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Books, Merch, Preparedness
Off-Grid Power For Emergency Communications, Paperback
This is a must-read book by Julian White, OH8STN. Off-Grid Power for Emergency Communications shows you how to keep your comms and gear running with field-tested, solar-powered systems. No theory. No fluff. Just what works.
LIMITED EDITION personally signed by Julian, order today before it sell out!
SKU: ISBN 9789526564524 -
4O3A, Power Amplifiers
Power Genius XL 2kW HF/6m LDMOS Amplifier
PowerGenius XL is a solid-state amplifier delivering up to 2000 W SSB or up to 1500W in RTTY and FT-8 at a duty cycle of 50%. With dual LDMOS devices, Ethernet control, and full remote operation, it’s built for modern, automated high-performance stations.
SKU: PGXL -
4O3A, Antenna Tuners
Tuner Genius XL 2kW HF/6m Automatic Antenna Tuner
Tuner Genius XL is a high-power 1.8–54 MHz automatic antenna tuner designed for stations running up to 2 kW PEP. It that delivers fast, accurate matching, wide SWR range support, deep FlexRadio ecosystem integration, and full LAN-based remote operation for modern contest and DX stations.
SKU: TGXL -
4O3A, Antenna Switches, Remote Control
4O3A Antenna Genius 8×2
Antenna Genius 8×2 is a high-power, SO2R-capable antenna switch that routes up to eight HF/6 m antennas to two independent radios or amplifier chains. With 3 kW capability, Ethernet control, automatic band tracking, and tight FlexRadio integration, it delivers intelligent, fast, and reliable antenna management for contest, DX, and remote superstations.
SKU: 4O-AG8x2 -
4O3A, Antenna Switches, Remote Control
4O3A Antenna Genius 8×1
Antenna Genius 8×1 is a high-power, network-controlled antenna switch that lets you route up to eight HF/6 m antennas to a single radio or amplifier chain. With 3 kW capability, fast Ethernet switching, automatic band tracking, and seamless FlexRadio integration, it delivers intelligent antenna management for contest, DX, and fully remote stations.
SKU: 4O-AG8x1 -
4O3A, Audio & Sound, Headsets and Microphones, Remote Control, Transceiver Accessories
4O3A NC-1 Noise Cancelling Headset w/BT
4O3A, Audio & Sound, Headsets and Microphones, Remote Control, Transceiver Accessories4O3A NC-1 Noise Cancelling Headset w/BT
The NC-1 from 4O3A is a professional-grade noise-cancelling contest and DX headset engineered to deliver clear, fatigue-free audio in the harshest operating environments. With advanced ambient-noise suppression, a high-intelligibility microphone, and rugged construction, it keeps your focus on the signals that matter—whether in the shack or on a remote contest site.
SKU: 4O-NC1 -
4O3A, Audio & Sound, Headsets and Microphones, Remote Control, Transceiver Accessories
4O3A MC-1 Boom Mic for NC-1 Headset
4O3A, Audio & Sound, Headsets and Microphones, Remote Control, Transceiver Accessories4O3A MC-1 Boom Mic for NC-1 Headset
The NC-1 from 4O3A is a professional-grade noise-cancelling contest and DX headset engineered to deliver clear, fatigue-free audio in the harshest operating environments. With advanced ambient-noise suppression, a high-intelligibility microphone, and rugged construction, it keeps your focus on the signals that matter—whether in the shack or on a remote contest site.
SKU: 4O-MC1 -
Bags & Pouches, Portable Transceivers, Preparedness, VHF/UHF Transceivers
Pileup Protective HT Pouch
Carry and protect your HT in the field. The Pileup Protective HT Pouch fits the VGC VR-N76 and most compact handhelds up to 75×50×150 mm. Built from rugged fabric with reinforced seams, secure belt strap, and adjustable height strap. Available in Desert Brown, Camo Green, and Pitch Black.
SKU: PU-HTP -
Heltec Automation, Meshtastic
Heltec MeshTower, Solar Powered LoRa Node
Heltec MeshTower is a rugged, solar-powered outdoor communication node built on MeshSolar technology. It combines an 18 V / 10 W solar panel, a high-capacity Li-ion battery pack and an nRF52840 + SX1262 LoRa platform in a single weatherproof enclosure – ideal for Meshtastic networks, remote sensing and off-grid installations.
SKU: HTMTWR -
Heltec Automation, Meshtastic
HELTEC Wireless Tracker GPS LoRa Node
The Heltec Wireless Tracker is an ESP32-S3 based LoRa and GNSS development kit designed for
Meshtastic, LoRaWAN and custom GPS tracking projects. With an integrated SX1262 LoRa radio, UC6580 GNSS
chipset and optional LCD, it’s ideal for building compact trackers for bikes, vehicles, pets, gear and
outdoor adventures.SKU: HTTRCK -
Heltec Automation, Meshtastic
MeshPocket Qi2 Meshtastic Node & Power Bank
MeshPocket is a compact Qi2 magnetic power bank with a built-in Meshtastic-ready LoRa node. Powered by the nRF52840 + SX1262 combo and a 2.13″ e-ink display, it keeps your phone charged and your mesh messages flowing – whether you’re commuting, hiking, or operating off-grid.
SKU: HTMP -
Heltec Automation, Meshtastic
HELTEC WiFi LoRa 32 (V4)
The Heltec WiFi LoRa 32 V4 is the latest ESP32-S3 based LoRa development board, offering major improvements over the previous WiFi LoRa 32 V3. With upgraded 28 dBm LoRa output, GNSS expansion, solar charging support, enhanced RF performance and 16 MB Flash, it is ideal for IoT, LoRaWAN, trackers, and Meshtastic projects.
SKU: HTV4 -
Meshtastic, RAK Wireless
RAK WisBlock Starter Kit 433 MHz
The WisBlock Starter Kit is a bundle of WisBlock Base RAK19007 and Core RAK4631 from RAKWireless. By prioritising power efficiency and management, it is the perfect choice for solar powered off grid Meshtastic nodes, routers and repeaters.
EU 433 MHz version!
SKU: RAKWIS-433 -
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DX Engineering, QRM/QRN Reduction, Receiver Accessories, RX Antenna Switches, Transceiver Accessories
DX Engineering NCC-2 RX Antenna Phasing System
DX Engineering, QRM/QRN Reduction, Receiver Accessories, RX Antenna Switches, Transceiver AccessoriesDX Engineering NCC-2 RX Antenna Phasing System
DX Engineering NCC-2 Receive Antenna Phasing System — high-dynamic-range, two-channel receive-only phasing controller for HF (≈300 kHz–30 MHz). Precisely combine a main antenna with an auxiliary/noise antenna and adjust amplitude + 360° phase to cancel local noise and boost desired signals. Includes RTR RX/TX interface, module/filter slots, and Bias-T for active RX antennas.
- HF RX ≈300 kHz–30 MHz
- 360° phase + variable gain
- RTR RX/TX relay, Bias-T
- Filter & preamp module slots
- Ideal for 160/80/40 m DX & contesting
SKU: DXE-NCC-2 -
Active RX Antennas, DX Engineering, Receiver Accessories
DX Engineering AVA-3 Active Matching Unit
DX Engineering AVA-3 Active Matching Unit (DXE-AVA-3) — low-noise, wideband receive buffer for short elements (≈1.8–7.3 m). 40 kHz–30 MHz coverage, +39 dBm TOI, jumper-selectable gain (−6/0/+6 dB), 75 Ω F-connectors. Power via built-in Bias-T or Direct DC.
SKU: DXE-AVA-3 -
Active RX Antennas, DX Engineering, Receiver Accessories, Transceiver Accessories
DX Engineering RPA-2 Modular Receive Preamplifier
Active RX Antennas, DX Engineering, Receiver Accessories, Transceiver AccessoriesDX Engineering RPA-2 Modular Receive Preamplifier
DX Engineering RPA-2 Modular Receive Preamplifier is a high-performance, low-noise inline preamp for 0.3–35 MHz (300 kHz–35 MHz). Optimized for SWL and amateur radio receive systems, the RPA-2 delivers ~16 dB gain, excellent linearity, and a modular plug-in slot for accessories like input protection or impedance transformation. SKU: DXE-RPA-2 -
Active RX Antennas, DX Engineering, Receiver Accessories
DX Engineering RSEAV-1 RX Active Vertical Antenna
Active RX Antennas, DX Engineering, Receiver AccessoriesDX Engineering RSEAV-1 RX Active Vertical Antenna
Wideband, low-noise receive-only vertical antenna covering ~40 kHz to 30 MHz. Ideal for MW/LW, LF/VLF monitoring and HF weak-signal reception, diversity RX, DXing, and contest receive arrays. Includes the new DXE-AVA-3 Active Matching Unit for superior strong-signal handling and low noise.
SKU: DXE-RSEAV-1
