Operating voltage: 1.8 V, 2 V, 2.5 V, 3 V, 3.3 V, 4 V, 4.5 V, and 5 V can be selected, with error ≤ ±3%.Current limiting resistance: 680 Ω, 1 kΩ, 1.5 kΩ, 2 kΩ, 2.2 kΩ, 2.7 kΩ, 3 kΩ, and 4.7 kΩ can be selected.

Operating voltage: 1.8 V, 2 V, 2.5 V, 3 V, 3.3 V and 4 V can be selected, with error ≤ ±3%.Operating frequency: modulatable within 0.6 MHz - 4 MHz, 0.1 MHz/step, error ≤ ±2%