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RF Components | RF Subsystems

RF Filters | Combiners | Splitters | Couplers | Arresters | Attenuators | LNAs | Up / Down Convertors |  VSWR  Detectors | TMAs | BTS-Front End Units

We offer RF Components from GNI Microwave, a leading South Korean manufacturer and supplier of advanced RF components and RF subsystems for the wireless and telecommunication Industries. These market-leading RF components and RF subsytems currently enable some of the world's most sophisticated mobile communications networks and support CDMA, WCDMA, GSM, DCS, UMTS, WIMAX, and LTE standards. All RF components are manufactured in ISO 9001:2000 and ISO 14001 compliant environments, as well as meeting the LG Green Program certification requirments.

All RF components and RF Subsystems are optimized to meet the requirements of the telecommunication, military and satellite industries. Major customers include LG Electronics, LG-Ericsson and SK Telesys.

We offer RF passive components, RF active modules and RF subsystems. Primary products are RF Delay Filters, RF Wave Guide Filters, RF Duplexers, RF Multiplexers, RF Combiners, RF Splitters, RF Arresters, RF Attenuators, RF VSWR Detectors, LNA, Up-down Converters, RF Front-end Units, TMA (Tower Mounted Amplifier).

We are interested in manufacturers, distributors and turn-key RF solution providers in North America.

 
RF Components
 
RF Components | RF Subsystems
 
 
     
 

RF Components and RF Subsystems Product Features

 
 

RF UDCU - Up Down Converter Unit  | RF Component

LNA (RF Low Noise Amplifier)  | RF Component

RF Components | UDCU RF Components | Low Noise Amplifier
  • Up Converting from IF signal of down-link to RF signal
  • Down-Converting from RF signal of up-link to IF signal
  • Reporting the module status and controlling the gain of RF path
  • Excellent gain flatness and Noise Figure
  • Auto alarm function
  • Operating frequency ranges and gain are available
 
  RF UDCU Specification
 
 
  RF LNA Specification
 
 
     
 

RF Components and RF Subsystems | Features

RF Delay Filter | RF Waveguide Filter | 1800 MHz RF Duplexer | 1900 MHz RF Dual Duplexer | RF Combiner | RF Attenuator | RF Arrestor | RF VSWR Detector

 
 

RF Delay Filter | RF Component

RF Waveguide Filter | RF Component

RF Components | Delay Filter RF Components | Waveguide Filter
  • Flat group delay, Low insertion loss
  • Low IMD
  • Frequency ranges are available
  • Excellent out-of-band Rejection
  • Low Insertion Loss, High Power Handling, Low IMD
  • Passband frequency ranges are available
 
  RF Delay Filter Specification
 
 
  RF Waveguide Filter Specification
 
 
     
 

1800 MHz RF Duplexer  | RF Component

1900 MHz Dual RF Duplexer  | RF Component

RF Components | 1800 MHz Duplexer RF Components | 1900 MHz Duplexer
  • Broad Selection of high Q-duplexer
  • Excellent out of band rejection
  • Low insertion loss, high power handling
  • Passband Frequency ranges are available 
  • Broad Selection of high Q-duplexer
  • Excellent out of band rejection
  • Low insertion loss, high power handling
  • Low IMD
  • Passband Frequency ranges are available
 
  1800 MHz RF Duplexer Specification
 
 
  1900 MHz Dual RF Duplexer Specification
 
 
     
 

RF Combiner | RF Component

RF Arrester  | RF Component

RF Components | Combiner RF Components | Arrester
  • Design provides high power handling
  • Enables feeder sharing
  • Suitable for indoor or outdoor applications
  • DC by-pass between all ports
  • DC stop available as an accessory
  • Reliable performance form DC ~ 3GHz
  • Bi-Directional Protection
  • High quality construction
  • RoHS Compliant
 
  RF Combiner Specification
 
 
  RF Arrester Specification
 
 
     
 

RF Attenuator | RF Component

RF VSWR Detector | RF Component

  • Reliable performance from DC  ~ 3GHz
  •  Attenuation : 20.0 ± 0.5dB
  • Power : 1W
  • Reliable Forward Power and Reverse Power Measurement  Accuracy
  •  Operating Temperature:  -20 ~ +70 °C
 
  RF Attenuator Specification
 
 
  RF VSWR Detector Specification
 
 
     
 

RF Components and RF Subsystems | Product Features

Front-end Module | GSM 900 MHz Dual TMA | DCS 1800 MHz TMA | Bias Tee | PDU

 
 

 Front-end Module  | RF Component

GSM 900 MHz Dual TMA | RF Component

RF Components | Front-end Module RF Components | GSM 900 MHz Dual TMA
  • Broad spectrum of antenna front-end modules
  • High selectivity duplexing and receive diversity
  • Low insertion loss
  • Excellent TxA (B) - R x A (B) isolation
  • Excellent Tx - R x 0, R x 1 isolation
  • Passband frequency ranges are available
  • Reporting the module status and controlling the gain of RF path
  • Balance uplink and downlink
  • Reduce the system noise figure
  • Reduce dropped call and improve call quality
  • Enhance the BTS Rx sensitivity and Rx / Tx isolation
  • A bypass switch equipped for a complete failure of both gain stages
 
  RF Front-end Module Specification
 
 
  RF GSM 900MHz Dual TMA Specification
 
 
     
 

RF DCS 1800 MHz TMA | RF Componnent

RF Bias Tee | RF Component

RF Components | DCS 1800 MHz TMA RF Components | Bias Tee
  • Balance uplink and downlink
  • Reduce the system noise figure
  • Reduce dropped call and improve call quality
  • Enhance the BTS Rx sensitivity and Rx/Tx isolation
  • A bypass switch equipped for a complete failure of both gain stages
  • It is used to inject or to extract DC current
 
  DCS 1800 MHz TMA Specification
 
 
  Bias Tee Specification
 
 
     
 

PDU (Power Distribution Unit)  | RF Component

RF Components | PDU (Power Distribution Unit)
  • Provide power to and supervises the status of TMA
  • Isolated input and output ports that cater for polarity independent DC supply
  • Compact size and multiple mounting options
  • Can be used with the vast majority of base station equipment 
 
  PDU Specification | RF Component
 
 
 
     
 

RF Components and RF Subsystems Product Specifications

 
 

  UDCU (Up Down Converter Unit)   | RF Components and Subsystems

 
  Tx  
 
UDCU PARAMETERS UDCU SPECIFICATION  | RF Components
Frequency Range 1860.625 ~ 1869.375 MHz
Output Power 18.5 dBm / 8.75 MHz
IF to RF Conversion Gain 33.5 +- 12dB
Gain Flatness BW 10MHz | 0.5 dB Max.
Return Lose 18dB Min
Tx Sample -35 dBc +- 1dB
Spectrum Mark @ 885 KHz -45 dBc / 30KHz
@ 1.98 MHz -55 dBc / 30KHz
@ 2.25 MHz -46 dBc / 1MHz
 
     
  Rx  
 
UDCU PARAMETERS UDCU SPECIFICATION
Frequency Range 1770.625 ~ 1779.375 MHz
Dynamic Range -35 ~ -90.5 dBm
Maximum Receive Signal without Damage +10 dBm
Input Port Reflection 18 dB min.
RF to IF Conversion Gain 7 +- 2dB
Noise Figure 20.0dB Max
Pass-band Ripple 1.0dB Max
Gain Control Range 15.5dB (Control Step: 0.5dB)
Out-of-band Rejection @ Fc +- 5.5 MHz -3 dBc
@ Fc +- 7.5 MHz -40 dBc
IF Harmonics Rejection -956 dBc
P1dB Rx_IN --> Rx_IF 0 dBm Min.
IIP3 Rx_IN --> Rx_IF 10 dBm Min.
Operating Temperature -10 ~ +70℃
Connectors SMA R/A (F), SMA (F)
Size (mm) 260.0 X 150.0 X 22.0
 
     
 

 LNA ( Low Noise Amplifier )  | RF Components and Subsystems

 
 
LNA (Low Noise Amplifier) PARAMETERS LNA (Low Noise Amplifier) SPECIFICATION
Frequency Range 824.0 ~ 849.0 MHz
Gain 40.5db +- 1.0dB
Gain Flatness 0.25dB Min.
Return Lose 20.0 Min.
Noise Figure 1.0dB Max.
CPL OUT 20.0dB +- 1.0 dB
Isolation 20dB Min.
1 dB Compression Point 27.0 dBm Min.
3rd Order Intercept Point 40.0 dBm Min.
Isolation (RF OUT --> RF IN) -40 dB Min
Coupler Isolation (CPL OUT --> RF OUT) -37 dB Min
DC Power Voltage 20 ~ 29V
  Current 350mA >- ( 27V Operating )
Operating Temperature -30℃ - 70℃
Connectors SMA (F)
Size (mm) 90.0 x 53.0 x 24.0
 
     
 

Delay Filter  | RF Components and RF Subsystems

 
 
Delay Filter PARAMETERS Delay Filter SPECIFICATION
Frequency Range 2090.0 ~ 2190.0 MHz
Insertion Loss (J1 - J2) 1.3dB Max. (1.2dB Max. @Temp)
Pass Band Ripple (J1 -J2) +-0.1dB Min.
Return Lose J1, J2 18.0dB Min. (20.0dB Min. @Temp)
  J3, J4, J5, J6 20.0dB Min.
Delay (J1 - J2) 12.0ns Max.
Delay Deviation (J1 - J2) +-300.0ps Max. (+-150.0ps @Temp)
Phase Deviation (J1 -J2) +- 1.0 +- (@Electrical Delay)
Coupling Value Coupler1 (J1 - J3) 30.0 +- 0.5 dB
Coupler2 (J4 - J2) 10.0 +- 0.3 dB
Coupler3 (J1 - J5) 30.0 +- 0.7 dB
Coupler4 (J2 - J6) 30.0 +- 1.5 dB
Frequency Range Coupler1 (J3 - J2) 48.0 dB Min.
Coupler2 (J1 - J4) 28.0 dB Min.
Coupler3 (J5 - J2) 48.0 dB Min.
Coupler4 (J1 - J6) 48.0,dB Min.
Cancellation 30.0dB Min.
IMD 70.0 dBc Min.
Operating Temperature -30℃-70℃
Connectors SMA (F)
Size (mm) 25.0 x 86.0 x 21.0  mm
 
     
 

Waveguide Filter  | RF Components and Subsystems

 
 
Waveguide Filter PARAMETERS RF Waveguide Filter SPECIFICATION
LOW HIGH
Frequency Range 10675.0 ~ 10855.0 MHz 11165.0 ~ 11345.0 MHz
Insertion Loss 1.0dB Max.
Pass Band Ripple 0.4dB Max.
Return Loss 18dB Min
Isolation 70.0dB Min.
Operating Temperature -40℃~ 50℃
Connectors SMA (F)
Size (mm) 160.0 x 30.1 x 84.6
 
     
 

1800 MHz Duplexer   | RF Components and Subsystems

 
 
1800 MHz Duplexer PARAMETERS 1800 MHz RF Duplexer SPECIFICATION
LOW HIGH
Frequency Range 1710.0 ~ 1785.0 MHz 1805.0 ~ 1880.0MHz
Insertion Loss 1.3dB Max.
Return Lose 17.0B Min
Attenuation 1475.0 ~ 1590.0 MHz 50.0dB Min. -
1805.0 ~ 1880.0 MHz 75.0dB Min. -
2110.0 ~ 2170.0 MHz 60.0dB Min. -
1560.0 ~ 1685.0 MHz   60.0 dB Min.
1710.0 ~ 1765.0 MHz   85.0 dB Min.
1765.0 ~ 1785.0 MHz   85.0 dB Min.
Port Isolation 1710.0 ~ 1765.0 MHz 95.0 dB Min.
1765.0 ~ 1785.0 MHz 90.0 dB Min.
1785.0 ~ 1805.0 MHz 55.0 dB Min.
1805.0 ~ 1880.0 MHz 80.0 dB Min.
Operating Temperature -30℃~ 70 ℃
Connectors N (F), SMA (F)
Size (mm) 150.0 x 140.0 x 37.0 mm
 
     
 

1900 MHz Dual RF Duplexer   | RF Components and RF Subsystems

 
 
1900 MHz Dual RF Duplexer PARAMETERS 1900 MHz Dual Duplexer SPECIFICATION
RX TX
Frequency Range 1850.625~ 1914.375 MHz 1930.625 ~ 1994.375 MHz
Insertion Loss 1.8 dB Max.
Pass Band Ripple 1.2 dB Max.
Return Loss 20.0 dB Min
Attenuation | 1922.5MHz 25.0 dB Min.
Isolation 85.0 dB Min.
Operating Temperature -30℃-+70℃
Connectors N (F), SMA (F)
Size (mm) 188.0 x 150.0 x 37.0
 
     
 

RF Combiner  |  RF Components and RF Subsytems

 
 
RF Combiner PARAMETERS  RF Combiner SPECIFICATION
CELLULAR PCS
Operating Band 824~ 896 MHz 1850 ~ 1990 MHz
Center Frequency 860MHz 1920 MHz
Bandwidth 72.0MHz 140MHz
Insertion Loss 0.15dB Typ.
VSWR / Return Loss 1.2:1 / 20.8 dB Typ
Isolation 50 dB Min.
PIMD 150 dBc typ.
Operating Temperature -40℃ ~ +65℃
Connectors 7/16 DIN (F)
Size (mm) 195.0 x 141.0 x 39.0 mm
 
     
 

Front-end Module  | RF Components and RF Subsystems

 
  Tx Path  
 
Front End Module PARAMETERS RF Front End Module SPECIFICATION
Frequency Range 1860.625 ~ 1869.375 MHz
Insertion Losss (TxA(B) IN --> ANT A(B)) 0.8 dB Max.
Pass Band (TxA(B) IN --> ANT A(B)) 0.3 dB Max.
Returen Loss (TxA(B) IN, ANT A(B)) 20.0 dB Min.
Attenuation Fcf -16MHz, Fcl + 16MHz 20.0 dB Min.
(Fcl + 19.2MHz) ~5GHz 25.0 dB Min.
9KHz ~ (Fcf - 19.2MHz) 25.0 dB Min.
Rx Band 95.0 dB Min.
Passive IM 3rd PIM -140.0 dB Min.
5th PIM -160.0 dB Min.
Handling Power Average 30.0 Watts Max.
Peak 200.0 Watts Max.
Forward Power Measurement Accuracy @ 51 ~ 38dBm +- 0.5 dBm
@ 38 ~ 25dBm +- 0.8 dBm
Reverse Power Measurement Accuracy @ 51 ~25dBM +- 1.0dBm
 
     
  Rx Path  
 
Front End Module PARAMETERS Front End Module SPECIFICATION
Frequency Range 1770.0 ~ 1780.0 MHz
Gain ANT A(B) --> RxA(B) OUT 1/2/3/4 34.0 +- 1.5dB
  ANT A(B) --> RxA(B) Sample 30.0 +- 1.5dB
  OpticA(B)-RX --> RxA(B) OUT 1/2/3/4 -1.0 +- 1.5dB
Gain Flatness 0.5dB Max
Return Loss 20.0dB Max
Attenuation Tx Band 95.0dBc Min.
Noise Figure 2.2dB
OIP3 30.0dBm
P1dB 18.0dBm
 
     
 

GSM 900 MHz Dual TMA  | RF Components and RF Subsystems

 
 
PARAMETERS SPECIFICATION
Frequency Range Rx: 890 ~ 915MHz Tx: 935 ~ 960MHz
Noise Figure 1.8dB Typ. (2.2dB @ Temp.)
Rx Gain 1.2.0dB ± 1dB
Bypass insertion loss 1.6dB Typ. (2.0dB @ Temp.)
Insertion loss Tx band 0.6dB Typ. (0.7dB @ Temp.)
Return Loss, all ports (Tx, Rx) 18.0dB Min.
Return Loss, LNA bypass 15.0dB Min.
1dB Gain compression point (P1) +10dBm Min.
Output Intercept Point (OIP3) +23.0dBm Min. (1tone=0dBm)
Lighting protection 5kA, 8/20uS pulse
PIMD @ 2-ton 20W 150dBc Min
Continuous Average Power 200W
DC Supply Voltage +12V DC / 120mA Typ.
Alarm CWA Handling
Environmental Rating IP-67
Operating Temperature -30°C ~ +65°C
Connectors DIN (7/16) (F)
Size (mm) 375.5 x 239.0 x 101.0
 
     
 

DSC 1800 MHz TMA  | RF Components and RF Subsystems

 
 
PARAMETERS SPECIFICATION
Frequency Range Rx (Uplink) 1710.0 ~ 1785.0MHz
Frequency Range Tx (Downlink) 1805.0 ~ 1880.0MHz
Noise Figure Typical Mid Band 1.8dB Typ. (2.4dB @ Temp.)
Rx Gain 1.2.0dB +- 1dB
Bypass insertion loss 2.3dB Max.
Insertion loss (Tx band) 0.6dB Typ. (0.7dB @ Temp.)
Return Loss, all ports (Tx, Rx) 18.0dB Min.
Return Loss, LNA bypass 12.0dB Min.
Input compression point (P1) +15dBm Min.
Input Intercept (IP3) +28.0dBm Min. (1tone=0dBm)
Lighting protection 5kA, 8/20uS pulse
Continuous Average Power (peak) 200W
DC Supply Voltage +12Vdc / 120mA Typ.
Alarm CWA Handling
Environmental Rating IP-67
Operating Temperature -40℃ ~ +70℃
Connectors DIN (7/16) (F)
Size (mm) 325.0 x 103.0 x 92.0 mm
 
     
 

Bias Tee | RF Components and RF Subsystems

 
 
RF Bias Tee Component PARAMETERS RF Bias Tee Component SPECIFICATION
Frequency Range 800 ~ 2200 MHz
Insertion loss 0.2 dB Max.
Return Loss 20.0 dB Min.
Isolation 50 dB Min.
Lighting protection 5kA, 8/ 20uS pulse
PIMD 150 dBc Min.
Continuous Average Power (peak) 200W
DC Supply Voltage 1A Max.
Alarm CWA Handling
Environmental Rating IP-67
Operating Temperature -40℃ ~ +70℃
Connectors DIN (7/16) (F)(M)_RF SMA(F)_DC
Size (mm) 64.5 x 46.0 x 34.0 (Without connector)
 
     
 

PDU (Power Distribution Unit)  | RF Components and RF Subsystems

 
 
  ITEM PDU SPECIFICATION
Input Input power and range 25 ~ 60V DC
Output Rated voltage and Load Current +12V DC / 120mA Typ. 2CH
Ripple / Spike < P-P 120mV
DC Output protection Auto recovery
Insulation resistance +- 100
Function ALM Operating Range +- 60mA (-20mA) or 160mA (+20mA)
LED Indicator ALM Port 1,3 Short, LED OFF
 
     
 

Attenuator  | RF Components and Subsystems

 
 
PARAMETERS LNA (Low Noise Amplifier) SPECIFICATION
V.S.W.R 1700.0~1900.0 MHz
Impedance 0.15㏈
Power Rating 200 Watts
Operating Temperature -30.0~+70.0℃Q
Dimensions Φ21.0X56.5
I/O Port Connectors N(M) to N(F)
 
     
 

Arrester | RF Components and Subsystems

 
 
PARAMETERS LNA (Low Noise Amplifier) SPECIFICATION
Frequency Range 1700.0~1900.0 MHz
Insertion Loss (Max.) 0.15㏈
Return Loss (Min.) 20.0㏈
Isolation (Min.) 20.0㏈
Impedance 50Ω
Surge 6KV/3KA(1.2 x 50㎲ / 8 x 20㎲) Impulse
Power Rating 200 Watts
Operating Temperature -30.0~+70.0℃
Dimensions 104.0×62.1
Connector Type R. ANT : DIN-Type (F)
EQUIP : N-Type(F)
 
     
 

VSWR Detector  | RF Components and Subsystems

 
 
PARAMETER SPECIFICATON COMMENT
Frequency Range 1860.625 ~ 1869.375 MHz  
Center Frequency 1865.0MHz  
Bandwidth 8.75MHz  
Forward Power
Measurement
Accuracy
0 ~ 55°C @51~38dBm ±0.5dB @ ANT Output
@38~25dBm ±0.8dB
-20 ~ 0°C, +55 ~ 70°C @51~38dBm ±1.0dB
@38~25dBm ±1.5dB
Reverse Power
Measurement
Accuracy
0 ~ 55°C @51~25dBm ±1.0dB @ ANT Input
-20 ~ 0°C, +55 ~ 70°C @51~25dBm ±1.5dB
Connectors RF SMA(F)  
DC Power YMAW025-06R  
Interface D-Sub 15p  
DC Power Voltage 20~29V  
Current ≤300mA (27V Operating) ≤400mA
(20V Operating)
Operating Temperature -20 ~ +70 °C  
Size(mm) 130.0 X 106.0 X 45.5  
 
     
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