RG7U with messenger

Coaxial Cable RG7U-Series

Physical Characteristics
Item	Material	Standard Shield		Tri-Shield		Super-Shield
		Inche	mm	Inche	mm	Inche	mm
Center Conductor Diameter	CU/CCS	0.051	1.30	0.051	1.30	0.051	1.30
Diameter Over Dielectric	Foamed PE	0.225	5.72	0.225	5.72	0.225	5.72
Diameter Over Jacket	PVC/PE	0.319	8.08	0.323	8.20	0.338	8.59
Diameter of Steel Messenger	Steel	0.072(single) 1.83		0.072(single) 1.83		0.072(single) 1.83
		0.109(dual) 2.72		0.109(dual) 2.72		0.0109(dual) 2.72
Outer Conductor Structure	Copper, Tin plating Copper or Aluminum	AL foil(bonded ORunbonded)+Braid Coverage 40%,50% Etc		double AL foil		Braid Coverage 40%,50% ,60% Etc




Electrical Characteristics
Impedance	75±3.0 Ohms
Capacitance	54±3.0(pF/m)
Velocity of Propagation	85%
Return Loss(dB)	VHF5-300MHz≥			22dB
	UHF300-960MHz≥			20dB
Screening Efficiency(dB)	VHF5-50MHz≥			85dB
	UHF200MHz Upward≥			90dB

Attenuation[@68°F. (20℃)]
Frequency(MHz)	Maximum(dB/100ft)			Maximum(dB/100m)
5	0.47			1.54
55	1.25			4.10
83	1.50			4.92
187	2.22			7.28
211	2.36			7.74
250	2.56			8.40
300	2.82			9.25
350	3.05			10.01
400	3.27			10.73
450	3.46			11.35
500	3.67			12.04
550	3.85			12.63
600	4.05			13.28
750	4.57			14.99
865	4.93			16.17
1000	5.32			17.45

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