DADM226 Digitally Tuned Diversity Antenna Distribution Module

Standard Model

Model:

DADM226-DT-MK2

Price:	$1,720.00

Features

One pair of antennas feeds up to six diversity receivers
Digitally tuned very selective RF filter with 24MHz window in the 470-702MHz range
User adjustable system gain
Remote active antenna or in-line RF booster powering
DC power Distribution with 3x Hirose outputs
Standard connectors
OLED display menu and LED indicators
Single power source solution
Master ON-OFF switch
Continuous system volts monitoring
Soft ON/OFF switch for each individual remote antenna powering
Soft ON/OFF switch for each Hirose DC output
CNC machined aluminum for a lightweight and rugged frame
Fits neatly in a sound bag

Description

Overview

The Diversity Antenna Distribution Module DADM226-DT mk II offers antenna and DC power distribution, as well as interference protection, in a small form factor designed to fit in a sound bag. It offers user selectable narrow RF-Bandwidth with high selectivity RF filters to suit individual applications and frequency allocations.

The P Model adds additional filters, a wideband mode and various other options:

	Standard Model	P Model	Notes:
Frequency	470-702 MHz	470-702 MHz
DT-Mode	✓	✓	24MHz BW in 8MHz steps
WB-Mode	X	✓	470-698MHz
HPF/LPF	X	✓
Gain in DT-Mode	+10 to -10dB	+10 to -10dB	User adjustable in 1dB steps
Gain in WB-Mode	X	+6 to -10dB	User adjustable in 1dB steps
Selectivity in DT-Mode	Same in both Models	Same in both Models	See Technical Data Sheet
Selectivity in WB-Mode	X	✓	See Technical Data Sheet
Current Consumption in WB-Mode	X	140mA@12V
Current Consumption in DT-Mode	210mA@12V	230mA@12V
Size	7.01" x 1.38" x 2.21" (178 x 35 x 56 mm)	7.28" x 1.38" x 2.21" (185 x 35 x 56 mm)
Weight	13.05 oz (370 g)	13.93 oz (395 g)

The filters are individually digitally tuned in the frequency range 470-702MHz and are user selectable in 8MHz step, 24MHz bandwidth with adjustable gain between +10dB to -10dB, user adjustable in 1dB steps.

The DADM226-DT mk II is an active antenna distribution system with user-selectable narrow-bandwidth band-pass filtering to eliminate multiple receiver antennas and provides a tidy solution for sound bags, carts, and trolleys with improved RF performance.

There are two industry standard BNC input connectors for antenna inputs and 2 x 6 mini-RF SMA connectors feeding the diversity receivers.

In applications requiring remote antenna powering, the DADM offers switchable active antenna powering. The power can be activated through the OLED display menu.

The DADM226-DT mk II has an extremely high input signal handling capacity with an extremely low noise figure and offers outstanding intermodulation performance

A standard 4-pin Hirose connector is used for DC power. An additional Hirose DC connector (HR2) is user configurable as DC IN or DC OUT through the OLED menu.

Specifications

<RF Distribution></RF Distribution> <Frequency Range>470 to 702MHz</Frequency Range> <Input Impedance>50 Ω</Input Impedance> <Output Impedance>50 Ω</Output Impedance> <Current Consumption>210mA +/-10mA</Current Consumption> <Playback>32 - 320kbps</Playback> <></> <Digitally Tuned Filter Range>470-702MHz</Digitally Tuned Filter Range> <Bandwidth>24MHz, user tunable in 8MHz steps</Bandwidth> <Adjustable Gain Range>+10dB to -10dB, adjustable in 1dB steps</Adjustable Gain Range> <OPI3>Greater than +41dBm</OPI3> <Port-port isolation>Greater than 20dB (min)</Port-port isolation> <Noise Figure>Less than 3 dB</Noise Figure> <></> <Connections></Connections> <RF Inputs>2 x 50 Ω Standard BNC Sockets</RF Inputs> <RF outputs to receivers>2 x 6 x 50 Ω mini UHF SMA sockets</RF outputs to receivers> <Master ON/OFF Switch>Master switch with green led -ON- indicator</Master ON/OFF Switch> <Navigation Dial Switch>3-way Dial Switch, Middle press(SET), left and right dial as UP/DOWN the Menu</Navigation Dial Switch> <DC Power IN(HR1)>4-Pin Hirose, Pins1+2(-ve), Pins3+4(+ve)</DC Power IN(HR1)> <DC Power IN/OUT(HR2)>4-Pin Hirose, Pins1+2(-ve), Pins3+4(+ve) user configurable as DC-IN or DC-OUT</DC Power IN/OUT(HR2)> <></> <Powering></Powering> <Operating voltage range>10-18V, input reverse power, and short circuit protected</Operating voltage range> <Active Antenna Powering>Active Antenna Powering, 12V regulated@ 500mA(max.) user selectable</Active Antenna Powering> <Hirose dc output(HR2)>HR2 can be configured as DC Output or DC input port, DC out is unregulated incoming volts, fused, and protected against reverse polarity</Hirose dc output(HR2)> <></> <Outer Case></Outer Case> <Dimensions>7.01" x 1.38" x 2.21" (178 x 35 x 56 mm)</Dimensions> <Weight>13.05 oz (370 g)</Weight>

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