Products/Services for 400 MHz Radio Modems

  • Radio Modems-Image
    Radio Modems - (158 companies)
    How to Select Radio Modems Image Credit: RF Industries Inc. Radio modems encode, transmit, receive and decode serial data using radio waves. They connect to serial ports on devices such as video cameras...
  • Radios-Image
    Radios - (369 companies)
    Radios are communication systems that send and/or receive electromagnetic waves. Devices such as citizens ' band (CB) radios, walkie-talkies, and handie-talkies are two-way radios that can be used for interpersonal communications. Radios...
  • Wireless Modems-Image
    Wireless Modems - (525 companies)
    ...traditional analog modems and some types of network modems, these wireless devices provide very fast, always-on network connections. Typically, users can access the Internet at speeds up to 100 times faster than with analog modems. Unlike radio modems...
  • Chip Antennas-Image
    Chip Antennas - (111 companies)
    ...the impedance of the materials which transmit the charge and resulting electromagnetic wave (radio, feedline, antenna), a minimal amount of energy is reflected back to the source, resulting in optimal charge to transmission efficiency. The amount...
  • IC Modems-Image
    IC Modems - (44 companies)
    IC modems enable computers to transmit data over telephone lines or via wireless signals. IC modems enable computers to transmit data over telephone lines or via wireless signals. Modem is a contraction of the words modulator-demodulator. Since...
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    PCMCIA Modems and PCMCIA Fax Modems - (8 companies)
    PCMCIA modems and PCMCIA fax modems enable computers to transmit data over telephone lines. They include modem-only devices, modem and fax combinations, and fax/modem products with networking capabilities. PCMCIA modems and PCMCIA fax modems enable...
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    Cellular Modems - (48 companies)
    Cellular modems are special types of modem used to modulate analog signals, such as telephone signals, to be transmitted using cellular networks. The modulated signal is used for phone or data communication with smart phones and similar device...
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    Network Modems - (447 companies)
    Network modems (modulators-demodulators) are devices or programs that allow computers to transmit data over telephone lines. They convert digital computer data to analog sound waves and then demodulate the carrier signals to decode the transmitted...
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    Terrestrial Radio and Satellite Radio Services - (31 companies)
    Terrestrial radio and satellite radio service providers transmit radio programming over satellite, cable networks and over open airwaves. Terrestrial radio and satellite radio service providers transmit radio programming via the open airwaves, cable...
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    Radio Receiver ICs - (59 companies)
    Radio receiver ICs support worldwide radio band requirements, including frequency modulation (FM), FM radio data system (RDS), amplitude modulation (AM), long wave (LW), short wave (SW), and weather bands. These integrated circuits (ICs...

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  • Unmanned Aircraft Systems
    Navigation: DGPS-aided INS GPS: NovAtel OEM V-2 IMU: Inertial Science ISIS IMU Flight Computer: PC104 Pentium III 400MHz Communication: Microhard radio modem (900 MHz) Onboard status indicator light and control panel Autonomy .
  • A Development of Unmanned Helicopters for Industrial Applications
    Navigation: DGPS-aided INS GPS: NovAtel OEM V-2 IMU: Inertial Science ISIS IMU Flight Computer: PC104 Pentium III 400MHz Communication: Microhard radio modem (900 MHz) Onboard status indicator light and control panel Autonomy .
  • GIB
    The buoy network incorporates a set of four drifting or moored buoys equipped with a digital signal processor for acoustic detection and an associated hydrophone, a two-way radio modem operating in the 400 MHz band and a DGPS receiver.
  • Journal of Aerospace Information Systems > Autonomous Landing of Miniature Aerial Vehicles
    Embedded in the airframe are the Kestrel autopilot, batteries, a 1000 mW, 900 MHz radio modem , a 12-channel GPS receiver, a video transmitter, a 400 m laser rangefinder, a small analog video camera, and three optic-flow sensors.
  • 256 QAM Modem for Multicarrier 400 Mbit/s Digital Radio
    Outline of256 QAM Four-Carrier Modem For the realization of a digital radio system having a transmission capacity of 400 Mbits/s within 80 MHz bandwidth, a256 QAM modulation using the Nyquist spectral shaping ( a= 0.5) is required.
  • A low-voltage design technique for RF integrated circuits
    He has also developed 400 - MHz to 2.4-GHz antenna systems for handheld terminals and assisted in the design and development of a DSP-based radio modem for narrow-band FM communications.
  • [RESOLVED] A & B Box
    I have a 400mhz pentium II with 256mb ram, running windows ME full version, I use the computer for my Ham Radio (com 2) and my 56k modem (com 2) and "TRYING" to get an A B switch to work with…
  • AN/ARC-232(V) Starblazer airborne VHF/UHF multiband communications system
    The radio combines the following capabilities for application and installation in a broad range … I and Have-Quick II ECCM; unique national ECCM development; 30 to 400 MHz frequency coverage; power output … interfacing to improved data modem ; 8.33 kHz and…
  • Rohde & Schwarz wins Dutch OPV comms contract
    Part of the ships' sensor, weapon control and command system (SEWACO), IIECS consists of an integrated radio intercom system (IRIS) that controls all internal and external communications; a modem and crypto subsystem to … communications using the 100- 400 MHz frequency range.
  • Turma HF/VHF CNR family
    …MHz Tuning step: 1 Hz (1.6-29.999999 MHz ); 25 kHz (20-59.9750 MHz , FM mode) Preset radio channels: 100 Preset data … remote via internal line; modem (up to 3 km … Hz at 3 dB, - 400 to +4,550 Hz…