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Multicoupler ND-UHF-30 is a 30W UHF band reject "notch" duplexer designed to allow a two way radio repeater (signal booster) to transmit and receive on the a single antenna with excellent TX/RX isolation.
This notch duplexer rejects the frequency unwanted on the port used - the port used for receive (RX) rejects the transmit (TX) signal and port used for transmit rejects the receive signal. This ensures there is no crosstalk between TX and RX and allows a repeater to use a single antenna.
Freq. Range*: 440-470 MHz
Freq. Split*: 5-20 MHz
Power: 30 W
Isolation: ≥ 75 dB
*Depends on model.
Technical Information
Please see the technical information for the Multicoupler ND-UHF-30 UHF Duplexer. For reference, we also include the technical information for the ND-VHF-30 VHF duplexer.
Frequency Range
Frequency Split
Bandwidth
Insertion Loss
Isolation
VSWR
Power Rating
Connector Type
Operating Temperature
Dimensions
ND-UHF-30
420-470 MHz
5-7, 7-12, 12-20 MHz
0.5 - 2 MHz
~ 1.5 dB
≥ 75 dB
~ 1.3:1
30 W
N-Type
-20℃ - +50℃
228x154x32mm (±0.5mm)
136-174 MHz
4-5, 5-6, 6-15 MHz
0.5 - 2 MHz
~ 1.5 dB
≥ 75 dB
~ 1.4:1
30 W
N-Type
-20℃ - +50℃
154x220x32mm (±0.5mm)
VNA Readings
HIGH PORT
LOW PORT
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