wireless headsets

Helical Antennas - The Helical antenna description, a simple way of obtaining high-gain and a broad band of frequency characteristics

J-pole antenna for 915MHz - A 915 MHz four bay j-pole antenna plan

900 MHz Quagi antenna - A 10 elements quagi antenna for the 900 MHz band

Cookie Cantenna Wi-Fi - Make a cheap, portable, high performance (15-18 db) directional antenna out of commonly available parts that can be purchased in most grocery and hardware stores.

Uncle Johns Collection - Antique radios, clocks, cameras. Uncle John collected, repaired, restored, built, old radios, clocks, and cameras.

GX4MWS: The Macclesfield Wireless Society - The official website of the macclesfield

Wireless Society of Southern Maine  ^updated - The Wireless Society of Southern Maine is a ham radio club serving the Portland, Westbrook, Gorham, and Scarborough, areas in Southern Maine.

QCWA - Quarter Century Wireless Association (QCWA) Founded 1947

WX5RC Rogers County Wireless Association - Claremore, OK

RPF Communications - Innovative and fast growing radio communications accessory company in the UK. Station protection, monitoring and control products, Microphone splitters and headsets

FM DX Antenna Company - FM antennas for reception and transmitting on the FM broadcast band, Weather Band antennas, Wireless microphone antennas, and products to improve reception for the FM antenna, weather band radio antenna, and wireless microphone antenna.

STAR-H Corporation - STAR-H Corporation specializes in extremely wideband dipoles and compact low-profile antenna systems for military, emergency management, commercial operations and consumer wireless applications.

Starman Electric - Starman Electric manufactures DataBridge wireless RF modem modules for easy point-to-point wireless data transmission of analog, digital, and serial RS232 UART signals.

Cross Country Wireless - UK manufacturer of ham radio accessories, including TNX, SDR receivers, RF Diplexers Triplexers, bandpass filters, iambic memory keyers.

Cross Country Wireless SDR Receiver - SDR Receiver a compact high performance HF software defined radio receiver designed to be used in fixed or portable stations. Version 2 of the receiver is now available. It now has an RF pre-amplifier using a power MOSFET and other revisions to improve it's performance both as a stand alone receiver and as an IF panadaptor with HF and VHF transceivers.

Introduction to Digital Modes - Wireless Society of Southern Maine, Digital Modes Page, introduction to amateur radio digital modes, including FLDIGI, PSK31, RTTY, high speed CW, Slow Scan Television, HF Weather Fax, WeFAX, MFSK16, OLIVIA, G-TOR, AMTOR, MT63, Digital SSTV, Frequency Key Shifting, and more

HSMM-MESH - A high speed, self discovering, self configuring, fault tolerant, wireless computer network that can run for days from a fully charged car battery with focus on emergency communications

WS1SM CW Page - Wireless Society of Southern Maine CW Page, information on the topic of wireless telegraphy, cw operating, morse code history, telegraph keys, key collecting, code proficiency, learning the morse code, and cw-related links

Small Antennas for High Frequencies - This is about Small Antenna types and their properties which can help choosing proper antenna for high-frequency wireless communications as: two-way radio, microwave short links, repeaters, radio beacons or wireless telemetry

Fairview Microwave Inc - Supplier of RF, Microwave, & Wireless passive coaxial components, including Coaxial Attenuators, Adapters, Cables, DC Blocks, Terminations, & Connectors

ARC electronics - Communications solutions for Business, Utility and Industrial applications including data phones wireless RF

Offhsore radio guide - The Offshore radio guide, watery wireless websites, history pictures and sounfiles

APRS Messenger program - APRS over digimodes including PSK, QPSK and GMSK with digipeating and two way HF internet gateway to the APRS-IS

RF Safety Compliance Calculator  ^updated - This program is intended for far-field calculations, Calculate Estimated Power Density based on several factors.

WiFi Router for amateur use - Modifying consumer off the shelf wireless LAN devices for specialized amateur use