RC relay 1 channel 2 way switch

RC relay model: HC20ASP-H
1 channel, 2 way switches
Dimension: 39x25x18mm
Working voltage: 5 - 10v
Use a 3 position switch on the radio to:
a) Switch A device on while B is off,
b) swich B device on while A is off,
c) swich both A and B off.
The devices can work on 125 vac up to 20A.