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     LIGHTNING PROTECTOR


MATERIAL DATA
  Material Standard Finish
Housing, Coupling Nut Brass ASTM-B-16 Ternary alloy
Silver plating
Nickel plating
Male Conductor Brass ASTM-B-16 Gold plating
Silver plating
Female Conductor Beryllium-copper
Phorsphor bronze
Brass
ASTM-B-196
ASTM-B-103
ASTM-B-16
Insulator PTFE ASTM-D-1457 -
Gasket or O-ring Silicone rubber ASTM-E-1418 PS1 -


QWS
(Quarter Wave Stub)
QWSM
(Quarter Wave Stub Multi-band)
Single Band (Narrow Band) Multi- Band (800 ~ 2200 MHz)
  : Cellular, GSM, DCS, PCS, USPCS, UMTS ...   : Cellular, GSM, DCS, PCS, USPCS, UMTS
DC Block DC Block
Best Possible RF performance Best Possible RF performance
Low PIMD Low residual Energy (for 8/20 wave)
7/16, N, TNC and etc... Low PIMD
    7/16, N, TNC and etc...
       
  * For more detailed specification *   * For more detailed specification *
QWSC
(Quarter Wave Stub + DC Capacitor)
GDT
(Gas Discharge Tube)
Single Band (Narrow Band) Broad - Band (DC ~ 6000 MHz)
  : Cellular, GSM, DCS, PCS, USPCS, UMTS ...   : Cellular, GSM, DCS, PCS, USPCS, UMTS
DC Block DC Block
Best Possible RF performance Best Possible RF performance
Low residual Energy (for 8/20 wave) Low residual Energy (for 8/20 wave)
Low PIMD Low PIMD
7/16, N, TNC and etc... 7/16, N, TNC and etc...
         
  * For more detailed specification *     * For more detailed specification *
         



Coaxial Protectors Parameters and Selection
Parameter QWS QWSC QWSM GDT
 
Product
Description
Quarter Wave Stub Quarter Wave Stub
and
add DC Capacitor
Quarter Wave Stub
and
Filter Protector
Gas Tube based
Coaxial Protector
Protection
Technology
1/4 ave stub 1/4 wave stub 1/4 wave stub and Bandpass filter Gas Discharge Tube
Frequency Narrow Band Narrow Band Multi Band Multi Band
VSWR 1.1 : 1 1.1 : 1 1.15 : 1 1.2 : 1
Insertion Loss 0.1 0.1 0.2 0.2
RF Power Limited by Connector Limited by Connector Limited by Connector 30W ~ 1KW
according to
GDT voltage and
limited by Connector
Work with
DC Injection
No No No No
Protection
Performance
Better Very Good Very Good Good