Here is my video about the Nagoya Replacement antenna, recommended by many for dual-band Ham radios. This is the NA-771 model and is made in Japan. You can find it for sale on eBay.
This is original Nagoya antenna NA-771 144/430Mhz Dual Band Antenna.
- Frequency: 144/430MHz
- Gain: 144Mhz 2.15dBi
- 430Mhz 3.0dBi
- Max power: 10Watts
- V.S.W.R: Less 1.5
- Impedance: 50 OHM
- Connector: SMA-F