Portable Radios
Thunderpole 5/8 Wave | CB Radio Aerial 26-30 MHz AM/FM/SSB Home Base Station Antenna
Power Handling: 1000 Watts Length: 5.65m / 18'5" Gain: 4.2 dBI; Impedance: 50 Ohms Frequency: 26-30MHz; SWR: 1:1.3; Mounting: Pole Bracket Connection: PL259; Made in Great Britain
https://www.bizrate.co.uk/portableradios/thunderpole-5-8-wave-cb-radio-oid12319771853.html