Catalog > Semiconductors > Integrated Circuits M494B1 IC Voltage Tun System W/4ANLG Control 40PD Part No: M494B1 63.14 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Tuning voltage: 12-bit Band switch outputs: 4 Memory data retention: Minimum 10 years Keyboard support: 5x7 matrix