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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	Gold plating Silver plating
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