Comet GP-6 high gain dualband 145/433MHz fibreglass 2-piece base antenna | eBay
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Dual-Band | Comet Antenna
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GP-6 : Fixed antenna 144-430Mhz COMET, N plug, 200W
Comet GP-6 Dual Band VHF/UHF 144-148 & 440-450MHz Amateur Ham Radio Base Antenna | eBay
Comet CSB-790A - 2M/440 MHz High-Gain Dual Band Amateur Radio Antenna