modem

65 links

Sounds of the Commercial and Military Digital Station - Information and digital audio samples of various modem modulation types
[ Hits: 1652 | Votes: 4 | Rating: 3.5 ]

AOR U.S.A., INC. - AOR USA Web site, manufacturer of base and mobile receivers, handheld receivers, digital voice modems, spectrum display units, frequency monitors and antennas
[ Hits: 2143 | Votes: 7 | Rating: 5.14 ]

Farallon Electronics - PACTOR mode radio modems and accessories, performance sailing electronics and innovative hard to find parts. Audio cables, packet cables, usb to serial converters
[ Hits: 809 | Votes: 0 | Rating: 0 ]

NUE-PSK - NUE-PSK Digital Modem A digital modem for PSK31 field operation, without using a PC
[ Hits: 1406 | Votes: 2 | Rating: 10 ]
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.
[ Hits: 316 | Votes: 5 | Rating: 10 ]

PacComm Packet Radio Systems - Packet Modems, tnc, portable tnc manufacturer
[ Hits: 4426 | Votes: 8 | Rating: 6.75 ]
TNC-X - TNC-X - The Expandable TNC A new Terminal Node Controller (kit) design based on the Chepponis/Karn KISS protocol. It is implemented using a Microchip PIC 16F628A microcontroller, a CML MX614 Bell 202 modem chip, an 8K Ramtron FRAM
[ Hits: 4277 | Votes: 5 | Rating: 8 ]

Micro908 Kit - A re-usable control & computing platform for antenna measurement, PSK31 digital modems, audio filtering, signal source & VFO, memory keyer by AMQRP
[ Hits: 1570 | Votes: 1 | Rating: 10 ]

GRE America - Manufacturer of Radio Scanner receivers, scanner accessories, LCD Display modules and GINA data radio modems
[ Hits: 1160 | Votes: 0 | Rating: 0 ]

Tiny Trak & eTrex GPS - Tiny Trak is a simple choice for tracking, simply by using a usual VHF and TinyTrak as APRS modem.
[ Hits: 441 | Votes: 3 | Rating: 5.33 ]

Mt-63 technical description - The MT-63 modem, constructed around a high speed DSP processor, either in a dedicated external DSP unit like the Motorola EVM, or in PC software using the PC sound card, transmits 64 tones spaced 15.625 Hz apart, in the 1 kHz bandwidth.
[ Hits: 632 | Votes: 0 | Rating: 0 ]
Pactor III - PACTOR-III is a software upgrade for existing PACTOR-II modems that provides a new data transmission mode for improved speed and robustness. PACTOR-III is not a new modem or hardware device. Most current PACTOR-II modems are upgradeable to use PACTOR-III via a software update since PACTOR-II firmware accommodates the new PACTOR-III software
[ Hits: 859 | Votes: 2 | Rating: 10 ]
Q15X25 - Q15X25 is a packet modem with a KISS/AX.25 interface designed for HF transmission of AX.25 packets and TCP/IP using Automatic Repeat reQuest (ARQ) and forward error correction (FEC).
[ Hits: 705 | Votes: 1 | Rating: 1 ]

Sound Card Packet - This amateur radio web site explains how to use the AGWPE utility program to send and receive packet (a digital data mode) using the sound card of your PC instead of a traditional TNC (Terminal Node Controller), a radio modem.
[ Hits: 1170 | Votes: 2 | Rating: 5.5 ]

ROS ham radio modem - ROS Multimode software for Ham Radio Operators
[ Hits: 1788 | Votes: 6 | Rating: 8 ]

MultiDem - USB LSB AM Modem (Modulator/Demodulator) for SdR and DSB (direct conversion) transceivers by F6CTE
[ Hits: 4212 | Votes: 2 | Rating: 6.5 ]

cocoaModem - CocoaModem is an opensource MacOSX application which implements modems (modulator-demodulators) for RTTY PSK MFSK Hellschreiber CW SITOR HF-FAX provided by W7AY
[ Hits: 3182 | Votes: 6 | Rating: 8.33 ]