Nautel NRB4 Beacon Monitor Receiver & NLA/2 Active Loop Antenna

Nautel’s NRB4 Beacon Monitor Receiver is a precision receiver for the off-air monitoring of the transmitted NDB signal. It is compliant with applicable FAA and ICAO requirements for the monitoring of low frequency NDBs. Nautel’s NLA/2 Active Ferrite Loop Antenna is used in conjunction with the NRB4. A versatile mounting bracket makes it easy to install on flat surfaces or on a 2.5 inch diameter, vertical pipe. Tuning is accomplished with easily adjustable links.

Highlights include:

• Highly stable DDS carrier frequency reference
• Stable IF crystal filter
• Local and remote carrier level, modulation level/loss and keying loss alarm indications
• Optional audible alarm
• Internal speaker
• Calibrated carrier level reference meter
• NLA/2 is easily field tuned using adjustable links