The middle button turns on a 75 Hz high pass filter which is useful for reducing low frequency and infrasonic rumble from HVAC systems indoors or street traffic outdoors from over-powering the recording
66 A Dimensions (WxDxH) 6
SparkFun sells two versions of the RFM69HCW: this 915MHz version and a 434MHz version
& 6500K Settings
4cm) Base Diameter 10" (25
BOURNS MOV-20D241KTR TVS Varistor, MOV, 150 V, 200 V, MOV-20DxxxK Series, 395 V, Disc 20mm, Metal Oxide Varistor (MOV) 0 The middle button turns onThis is a TVS Varistor, MOV, 150 V, 200 V, MOV 20DxxxK Series, 395 V, Disc 20mm, Metal Oxide Varistor (MOV) product from BOURNS with the model number MOV 20D241KTRProduct details Operating Temperature Min 40C Clamping Voltage Vc Max 395V Peak Surge Current @ 8 20s 6. 5kA Voltage Rating V DC 200V Operating Temperature Max 85C Varistor Case Style Disc 20mm Product Range MOV 20DxxxK Series Automotive Qualification Standard Varistor Type Metal Oxide