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5 Watt (37 dBm) OFDM Compatible Indoor 900 MHz Amplifier w/Active Power Control

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L-com Item # HA905I-DM

List Price$700.00
Your Price 1-4$700.00
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HyperAmp® HA905I-DM series RF amplifiers are compatible with 900 MHz wireless LANs. The HA905I-DM series amplifiers are designed to be compatible with high data rate radios utilizing Orthogonal Frequency-Division Multiplexing (OFDM) modulation in the 900 MHz band. Hyperlink's Active Power Control circuit automatically adjusts the amplifier's gain to provide a constant output power regardless of cable length, radio transmit power, temperature shifts or equipment aging.

The HyperAmp® HA905I-DM 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 5 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 HA905I-DM series feature rugged machined aluminum housings. 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.

L-com Item #HA905I-DM
RoHS StatusNot Compliant At This Time (More)
These amplifier products are available only for export, military, licensed amateur radio and OEM component sales and are not offered for general sale within the USA.

  • Compatible with High Data Rate OFDM Radios
  • Active Power Control
  • Transmit and Receive LEDs
  • Machined Aluminum Construction
  • 12VDC Power Supply Included
  • 900 MHz ISM Band Applications
  • 900 MHz Spread Spectrum Wireless LAN
  • Telemetry Applications
  • SCADA Applications
  • GSM


Transmit Power 5 Watt (37 dBm)
Frequency902 - 928 MHz
Receive Gain15 dB
Max. Input Power100 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
Current Draw4.5A Peak Tx and 0.12A Peak Rx
Supply Voltage12VDC -1.5V / +1V
Operating Temperature-40°C to 50°C
(-40°F to 122°F)
Dimensions7.25" x 4.25" x 2.12"
(184 x 108 x 54 mm)
Weight1.7 lbs. (.77 kg)
Note: When contacting HyperLink about purchasing a 900 MHz series amplifier, please be sure to have the radio manufacturer and model number that will be use with the amplifier.

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.

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