1. Description
The AMP2440 is a bi-directional amplifier designed for extending the range of 2.4 GHz
wireless radio modems, Wireless LAN cards, Access Points and wireless bridges. The
units provide transmit power amplification as well as receive signal gain. The amplifier is
installed right at the antenna’s feed point, providing maximum effectiveness of transmit
power. This has the effect of compensating for signal loss in the transmitter cable to the
antenna. Likewise, the Low Noise Amplifier (LNA) in the AMP2440 boosts the receive
signal right at the antenna prior to experiencing the loss in the transmission cable to the
radio. This gain completely overcomes the losses in the transmission cable between the
amplifier and the radio. This results in the lowest possible system Noise Figure. In fact,
use of the amp will actually increase the receiver sensitivity by a few dB! The ultimate
result is the best receiver sensitivity and maximum possible range for whatever antenna
is used.
The amplifier box is weatherproof and can be bolted to the antenna mast or tower leg
using the U-bolt included. When properly installed, the connectors face down so that
gravity will drain all water away from the amplifier enclosure. This will prevent water
from settling on the face of the unit. The LEDs will also be facing downward so that they
can be checked for operation from the bottom of the mast or tower.
DC Power to the amplifier is supplied through the transmission cable that carries the RF
(Radio Frequency) signal. This DC voltage is put on the coax cable using the DC Power
Injector included in the amplifier kit. Both the amplifier and the DC Injector also contain
their own integral lightning protection as well as DC surge protection. No external
antenna lightning protection on the coax cable is required. (The DC Injector has a
grounding stud to facilitate an easy connection to a good earth ground.) It also has
mounting flanges to facilitate permanent installation to a bulkhead or wall. If mounted to a
grounded metal plate, then no extra wiring needs to be attached to the grounding stud.
The amplifier box will provide maximum lightning protection when it is bolted to a grounded
mast or tower. No extra ground straps need to be connected to the amplifier case.
2. Amplifier Features:
•
Transmit input levels from 3mW to 100mW
•
14 dB transmitter power gain (Standard amp)
•
16 dB receive gain
•
RX preamp noise figure better then 4 dB (typical)
•
Weatherproof Cast Aluminum Case that is mast mountable
•
DC Power for the amp carried up through the transmission cable
•
Power and Transmit LEDs on both the amp and the DC power injector
•
Built-in Lightning Protection
•
DC Surge Protection
•
Heavy Duty N-type Connectors
•
One Year Warranty
•
Made in the U.S.A.
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