Nooelec LaNA HF Barebones - Ultra Low-Noise LF, MF and HF Amplifier (LNA) Module. 50kHz-150MHz Frequency Capability with Bias-Tee, USB & DC Power Options L298N Motor Driver IC extending battery life to months

extending battery life to months or years depending on wake-up frequency

Use the formula Distance = (Echo pulse width x Speed of sound) / 2 to convert the reading into centimeters or inches

EMI/RFI Filtering - Compliant with industrial electromagnetic standards

then attach the v2 antenna by threading the RP-SMA connector clockwise until hand-tight

Nooelec LaNA HF Barebones - Ultra Low-Noise LF, MF and HF Amplifier (LNA) Module. 50kHz-150MHz Frequency Capability with Bias-Tee, USB & DC Power Options L298N Motor Driver IC extending battery life to monthsNooelec LaNA HF Barebones Ultra Low Noise LF, MF and HF Amplifier (LNA) Module. 50kHz 150MHz Frequency Capability with Bias Tee, USB & DC Power Options