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L-com HA903I-APC





Amplificador 3 Watts, 900MHz, Indoor

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HyperAmp® HA900 series RF amplifiers are compatible with 900 MHz wireless LAN equipment including the new generation 2.75 Mbit CCK (Complementary Code Keying) spread spectrum radios. Hyperlink's Active Power Control circuit automatically adjusts the amplifier's gain to provide a constant output power regardless of cable length.

The HyperAmp® HA900 series improves range by delivering full transmit power and receive gain directly at the antenna where it is most effective. This gain compensates for cable losses and actually increases the receive sensitivity of most wireless LAN radios. The unit can be configured to deliver the full transmit power with as little as 1 mW of input power, permitting cable runs of several hundred feet with no degradation in operating range.

Designed to be installed indoors or in a weather-resistant enclosures such as the HyperLink NEMA enclosure, the HA900I series feature rugged cast aluminum housings with integral mounting tabs. The staggered mounting feet allow multiple amplifiers to be positioned next to each other with minimal wasted space. The indoor series amplifiers include a Power Supply.

This Hyperlink bi-directional amplifier is designed for burst half-duplex operation. It is not intended for constant transmit, CW or high duty cycle operation. Operation of the amplifier in CW or high duty cycle modes will damage the amplifier and void the warranty.

FCC Certification Support for OEMs
HyperLink offers full certification assistance services and engineering support for qualifying OEM's interested in certifying complete amplified WLAN systems. Please contact us for details.

Guaranteed Quality
HyperAmp® is designed and manufactured by HyperLink Technologies in the U.S.A. and is backed by Hyperlink's Limited Warranty


  • Active Power Control
  • Transmit and Receive LEDs
  • Switching Power Supply included
  • Cast Aluminum Construction with Durable UV-Stable Finish
  • Integral mounting feet


  • 900 MHz ISM Band Applications
  • 900 MHz Spread Spectrum Wireless LAN
  • Telemetry Applications


Transmit Power 3 Watt (35 dBm)
Frequency 902 - 928 MHz
Receive Gain 15 dB
Max. Input Power 100 mW (20 dBm) (Call for higher input levels)
Operating Mode Bi-directional, half-duplex Time Division Duplex. Senses RF carrier from transmitter and automatically switches from receive to transmit mode
Dimensions 5.9 x 2.5 x 1.3 (inches)
150 x 63.5 x 33 (mm)
Weight .95 lbs. (.44 Kg)
Current Draw 2A Peak Tx and 0.12A Peak Rx
Supply Voltage 12VDC -0.5V / +2V
Operating Temperature -40°C to 50°C
(-40°F to 122°F)