User's Manual

Sensor RF module 2AA (US) User Manual
Figure 1. Block diagram
The antenna is integrated into the PCB of the Sensor RF module 2AA (US). The Sensor RF
module 2AA (US) contains all required functionality to communicate on the SDS protocol and
connect to the hardware attached to the I2C/SPI bus connector. The signals available on the
connector are described in the section “Electrical Interface”.
5. Antenna requirements
The antenna details are:
Antenna Type: Integrated PCB Antenna - Helix type
Gain: -0.8 dBi
Antenna Details: PN 102385 “Sensor RF module 2AA PCB”
Manufacturer: Disruptive Technologies Research AS
The antenna is located on the module as shown in figure 2 below.
Disruptive Technologies AS - Public 5 of 7