– Designed to accept radio frequency (RF) calls from Quantec’s staff attack transmitters &
– QT422RX receivers are designed to be internally mounted and provide up to 60m RF
coverage in communal gardens, car parks, etc.
– Optional QT422RXEX external mounting aerial can extend coverage to up to 90m.
– Optional QT421 RF Integrity transmitter available to send periodic test transmissions to a
QT422RX receiver (we recommend at least one is used per receiver)
– In large areas multiple radio receivers can be used to ensure sufficient coverage.
– For sites with multiple, separately-manned areas, an RF Grouping facility allows different
radio receivers to respond to calls from certain transmitters only.