Greyline RF Choke | Slip-On Beads, 3-5kW Line Isolator

The RF Choke is a must-have with any antenna system. It's a must for Greyline Performance antenna systems. Choose from our default sleeve choke, mini 500W choke, and maxi 3500W RF chokers, common mode current line isolators, and 1:1 current baluns. Ham radio is fun again! Country/Region of Manufacture: United States Effective Frequency Range (MHz): 3-300 PEP Power Rating (watts): same as coax cable rating Choking Impedance Range (ohms): 5 bead: 200-900, 10 bead: 400-1400, 15 bead: 600-1700 Common Mode Attenuation (db): 5 bead: 9-20 db, 10 bead: 16-24 db, 15 bead: 17-25 db Estimated Insertion Loss (db): .025 Input Connector Type: none Output Connector Connector Type: none Ground Connector (Y/N): none Enclosure Size (LxWxH inches): none 1/2″ / 12.7mm max Cable Size Chokes Model SLO-1/2 family of chokes are for use with ½” coax cable like RG-8, RG-213, 9913, LMR-400 and similar cables up to ½” diameter – works on all cable impedances (50, 62, 75, 90 ohms, etc). 80-6 meters. Choose SLO-1/2 (5 beads) or for extended choking, choose SLO-1/2E (10 beads) or for super-extended choking choose SLO-1/2SE (15 beads). Select chokes with a minimum of 500 ohms at your frequency of interest for best results or upgrade to our Mini or Maxi-Choker which chokes up to 10,000 ohms of RF choking. Select 5 bead version for 80-2 meters use; 10 bead version for 160-6 meter use, 15 bead version for even higher choking power on 160-20 meter frequencies. Power rating is the same as coax cable used power rating.