Extremely / Super Low Frequency Square Wave Oscillator Module

Frequency Range: 2048 ~ 1/2048 Hz
Total 22 output ports, at the same time can output 22 frequencies: 2048, 1024, 512, 256, 128, 64, 32, 8, 4, 2, 1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256, 1/512, 1/1024, 1/2048 Hz.
Operating Voltage: DC 3 ~ 15V
Operating Current (no load): < 10mA
Output Duty Cycle: 50% ±5%
Operating Temperature Range: 0 to 70°C.
Frequency Accuracy: +/- 20 ppm

Datasheet: