2005年5月17日 · I recently read some great reviews of the Diamond RH77CA and for $22 plus shipping, is this the best all coverage handheld scanning antenna out there? Just asking for opinions as I noted several people at RR claim to own one.

Review Summary For : Diamond RH77CA; Reviews: 41 MSRP: 24.99; Description: Dual-Band HT/Scanner Antenna (BNC) Gain: 2.15dBi (430 MHz) Max Power: 50W (Watts) Impedance: 50 Ohm Length: 30 cm Weight: 40g Connector: BNC 1/4 wave length (144 MHz), 1/2 wave length (430 MHz) and finally Made in Japan. Product is in production

About 30 years ago, I purchased my first Diamond RH77CA portable radio antenna. The RH77CA has been long recommended as an antenna to improve the reception of portable amateur radios and scanners, and it has been recommended by others here often as a good antenna for railfanning radios.

2021年12月16日 · The RH77CA performs better on the different bands (when compared to the stock antenna) and because it’s length is longer, it stands to reason it should do better on VHF High and UHF. But what I’d like to convey is your results may vary and the only way you will ever know if these aftermarket antennas will help is if you field test them ...

2015年2月25日 · The RH77CA is one of the best 2m/70cm antennas ever made with good quality build antenna, sorry but it is not an 800MHz antenna and a poor choice on your part if you are wanting the 800 band because of the load matching coil in the base.

2021年9月27日 · Review of the Diamond (Original) RH77CA 144/440 MHz. Dual-Band High Gain Handheld Antenna Rx: 120~900 MHz. (Gain: 440 Mhz. 2.15 dBi, Max Power: 10 Watts, Len...

2016年2月26日 · Genuine Diamond antennas are going to be equal to or better than the quality of the Nagoya antennas. While they do exist, counterfeit Diamond antennas are easy to avoid by ordering from a reputable ham radio dealer.

2024年12月24日 · The antenna that I tried has the Diamond (RH77CA) brand on it, and I’m telling you it owns up to the brand name. No doubt about it. I now highly recommend the Diamond brand. The Diamond RH77CA comes with BNC connection and it pops on real easy. BNC is the way to go for me on the handheld talkie.

2017年1月28日 · The RH77CA is alittle better on the scanner antenna port, as its lighter and less strain. The RH77CA is cheaper, and its easier to carry around. If the scanner is stationary, For 800 mhz monitoring, I use Motorola 800 rubber ducks, that were designed for 800 trunking.