Check the listing for details. (10 PCS) SMA Male Chassis Connector 4-Hole Panel Mount - USA Seller. Condition: New. Listed at 17.99 USD. SMA Male Chassis Connector 4-Hole Panel Mount (S-007-1TGG) - 10 PCs per order- Made in Taiwan- Excellent Quality SPECIFICATIONS --------------- ELECTRICAL ---------------- - Impedance: 50 OHM - Frequency Range: DC -12.4 Ghz on Flexible cable DC - 18 Ghz on Semi-Rigid cable - Working: 250 VRMS max. - Dielectric Withstanding Voltage: 750 VRMS min. - VSWR Straight: 1.3 max Right Angle: 1.5 max - Contact Resistance: Center Contact: 6 Milliohms max. Outer Contact: 2 Milliohms max. - Insulator Resistance: 5000 Megaohms min. --------------- MATERIAL --------------- Parts Name Material Finish - Body, Metal Parts Brass per QQ-B-626 Gold or requirement - Center Contacts Male: Brass per QQ-B-626 Gold or requirement Female: Brass per QQ-B-626 Gold or requirement Phosphor Bronze per QQ-B-750 Beryllium Copper per QQ-B-530 - Insulators PTFE None - Crimp Ferrules Annealed Brass Gold or requirement- Clamp Gaskets Silicone Rubber None