
SparkFun Linear 3D Hall-Effect Sensor - TMAG5273 (Qwiic) Low-Power, high-Precision Magnetic Field Sensor, Dimensions: 1.00 x 1.00,

SX27P 第一電波工業 144/430MHz帯 コンパクトSWR・パワー計 むせんZONE25|アマチュア無線機・トランシーバー|通販,

Amazon.co.jp: 【 ダイワインダストリ 】アマチュア無線用:SWRパワーメータ【 CN-901HP3 】 : 家電&カメラ,

SparkFun Linear 3D Hall-Effect Sensor - TMAG5273 (Qwiic) Low-Power, high-Precision Magnetic Field Sensor, Dimensions: 1.00 x 1.00: Amazon.com: Industrial & Scientific,

Vintage RF power and SWR meter, made by Asahi Seiko, Japan. This one has some useful features, switchable 50/75 Ohm impedance. Frequency range 3.5 - 145MHz, and power upto 500W. The vernier