User's Manual

Walabot60ghz Evaluation Kit Hardware spec
Vayyar Confidential
Page 11 of 16
2.2.3 RF Interface - Antennas
The array of 40 antennas serves to connect the sensor unit with the environment. The antennas are
embedded in the PCB, as depicted in the figure below.
Figure 4: Antenna Positions and Numbering
For each transmitting (TX) antenna, there are multiple receiving (RX) antennas for collecting and
recording the received RF signals. Each RX antenna and its associated TX antenna serve as an
antenna pair.
2.2.4 Electrical Specifications
The following electrical specifications are for the sensor unit. The current consumption specifications
are based on lab measurements performed by Vayyar.
Table 3: Sensor Unit Electrical Specification
Parameter
Value
Vcc supply voltage
5 VDC
Max current consumption
~1.3 A
Average current consumption
~1 A