The 50-3 Pure Copper Coaxial Extender Cable says it's "
It is extendable that boosts the signal of your repeater significantly
Super Gainer Low Loss Coaxial Cable
Suitable for Retevis RT97 repeater
Material: pure copper
Impedance: 50Ω
Return loss: VHF≥20dB UHF≥15dB
Connector plug: SL16
Cable diameter: 5mm / 0.2inch
Cable Length: 15 meter
Weight: 660g"
So Is this good or true? Or should I go and spend more cash and get the Browning BR-400 Low Loss RF Coax Cable?