The neck loop utilises audio signal modulation scheme that uses carrier frequencies within the audio band and as a result it avoids the possibility of user detection by keeping the link between accessory to earpiece secure (HR9350--).With 5-pin Lemo adapterDispositivos audio conectables: auriculares: HR9317AA / micrófono + tubo acústico: HR9627AA / Audífonos tipo Smartphone: HR9624AA / Aro de inducción: HR9628AB
Reference: HR10243AA
