EMC304 Terminal multiswitch - 3 in multiswitch - LITE CLASS multiswitch - PRODUCTS

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EMC304

Features:
1. Two Satellite if inputs for dual port LNB and one terrestrial TV input for VHF / UHF TV signals
2. Subscribers outputs select trunk signal by 13/18V，multiswitch locks the LNB output port in vertical polarization and

horizontal polarization through 13 / 18V voltage output

3. Built-in amplifications circuit to compensate cable loss
4. 4 Subscriber outputs.
5. DVB Power Adaptor, Stand-alone multiswitch.
6. Zinc die cast housing， Sealed with silicon glue to proof water.

Specifications

Model	EMC304	EMC304 (B)	EMC304 (C)
Sat Frequency Input	950-2150MHz Vertical and Horizontal	950-2150MHz Vertical and Horizontal	950-2150MHz Vertical and Horizontal
Terr Frequency Input	5-862MHz	54-806MHz	174-698MHz
User Output Ports	4 output ports ( 5 – 2150 MHz )	4 output ports ( 54 – 2150 MHz )	4 output ports ( 174 – 2150 MHz )
Vertical Voltage Control	9.5 – 14.0 V DC	9.5 – 14.0 V DC	9.5 – 14.0 V DC
Horizontal Voltage Control	15.5 – 21.0 V DC	15.5 – 21.0 V DC	15.5 – 21.0 V DC
13/18 Threshold Switching Voltage	14.1 to14.5 V DC	14.1 to14.5 V DC	14.1 to14.5 V DC
Sat Insert Loss	≤ 2.0 dB	≤ 2.0 dB	≤ 2.0 dB
Terr Insert Loss	Active ≤ 3.0 dB ; passive ≤ -10 dB	≤ -10 dB	≤ 3.0 dB
Gain Flatness	± 2.0 dB	± 2.0 dB	± 2.0 dB
Sat Input Return Loss	≥ 12 dB	≥ 12 dB	≥ 12 dB
Terr Input Return Loss	≥ 12 dB	≥ 12 dB	≥ 12 dB
Output Ports Return Loss	≥ 10 dB	≥ 10 dB	≥ 10 dB
Terr to Sat Band Rejection	≥ 30 dB	≥ 40 dB	≥ 45 dB
Sat to Terr Band Rejection	≥ 30 dB	≥ 30 dB	≥ 30 dB
Input –Input Isolation	≥ 25 dB	≥ 25 dB	≥ 25 dB
Output –Output Isolation	≥ 20 dB	≥ 20 dB	≥ 20 dB
DC Current Consumption	Active ≤ 90 mA ; passive ≤ 60 mA	≤ 60 mA	≤ 90 mA
User Ports current to LNB Input Ports	≥ 500 mA	≥ 500 mA	≥ 500 mA
User Ports current to Terr Input Ports	None (blocked)	None (blocked)	None (blocked)
DC Loss（500mA, Horizontal Ports）	< 0.5 V	< 0.5 V	< 0.5 V
DC Loss（500mA, Vertical Ports）	< 1.0 V	< 1.0 V	< 1.0 V
Impedance (all ports)	75 Ω	75 Ω	75 Ω
13V/18V Switching Time	50ms	50ms	50ms
Connectors	“F” Type (female)	“F” Type (female)	“F” Type (female)
Operating temperature	-25- +75℃	-25- +75℃	-25- +75℃
Product size:(mm)	88 X 72 X 17 MM	88 X 72 X 17 MM	88 X 72 X 17 MM

Installation diagram