| Feature | DB45 | DB4004 | DB4005 |
| FM Band 87 - 108 MHz Basic Spectrum Analyzer | YES | YES | YES |
| 2 Independent SDR FM tuners with separate antenna inputs | No | No | YES |
| Dedicated tuner for Logging Only | No | No | YES |
| Dedicated tuner for Monitoring Only | No | No | YES |
| Warning Alarm Msgs | No | No | YES |
| RF signal digitalized by SDR FM tuner | YES | YES | YES |
| Up to 100 dBµV direct RF Antenna Input | YES | YES | YES |
| MPX, PILOT & RDS deviation meters | YES | YES | YES |
| LEFT and RIGHT demodulated audio level meters | YES | YES | YES |
| Levels measurement with data history | YES | YES | YES |
| Selectable De-emphasis - Off, 50µs and 75µs | 50/75 only | YES | YES |
| Built-in Stereo Decoder | YES | YES | YES |
| Remote Listening via optional GSM modem | YES | YES | YES |
| SNTP for automatic synchronization of the built-in clock | YES | YES | YES |
| RDS and RBDS decoder with BER meter | YES | YES | YES |
| Alarm dispatch via E-mail, SMS, SNMP and GPO | Yes, w/o GPO | YES | YES |
| Complete status reporting with SMS via optional GSM modem | YES | YES | YES |
| Protected access to the device settings | YES | YES | YES |
| LAN port for full TCP/IP remote control and monitoring | YES | YES | YES |
| Adjustable MIN/MAX warningns for RF | YES | No | YES |
| Adjustable MIN/MAX warningns for MPX, Pilot & RDS | YES | No | YES |
| Adjustable MIN/MAX warningns for Left & Right Audio Levels | YES | No | YES |
| Adjustable MIN/MAX alarms for RF | YES | YES | YES |
| Adjustable MIN/MAX alarms for MPX, Pilot & RDS | YES | YES | YES |
| Adjustable MIN/MAX alarms for Left & Right Audio Levels | YES | YES | YES |
| Headphone output | YES | YES | YES |
| Firmware updates will ensure improved operation | YES | YES | YES |
| Easy Installation and Setup | YES | YES | YES |
| Manager Software with Cartographic interface with site location | YES | YES | YES |
| Fully DSP-based core | YES | YES | YES |
| Built-in Oscilloscope for IF, MPX, Pilot, RDS, Left & Right display | Yes, MPX/Audio | YES | YES |
| MPX Power meter | YES | YES | YES |
| Real Time Audio Program Streaming | YES | YES | YES |
| Easy to use WEB interface | YES | YES | YES |
| Universal WEB interface, including Apple and Android devices support | YES | YES | YES |
| Spectrum analyzer of the MPX and Left/Right Audio | YES | YES | YES |
| Adjustable MIN/MAX alarms for MPX Power | YES | YES | YES |
| Restore Factory Parameters option | YES | YES | YES |
| Proved and reliable hardware for 24/7/365 operating | YES | YES | YES |
| Constant, uninterrupted audio stream listening via WEB | NO | No | YES |
| Wide angle, easy to read from panel display | NO | YES | YES |
| Very Intuitive Navigational Menu | NO | YES | YES |
| Built-in FTP server | NO | YES | YES |
| Accurate front-panel metering for local use | NO | YES | YES |
| Built-in 50 channel Data logger | NO | YES | YES |
| L+R and L-R audio level meters | NO | YES | YES |
| Spectrum analyzer of the RF Carrier | NO | YES | YES |
| Bright, accurate bar graph LED metering of the Modulation and Pilot Levels | NO | YES | YES |
| Total and independent Positive and Negative deviation bar graph | NO | YES | YES |
| Left, Right, L+R, L-R bar graph LED audio level meters on front panel | NO | YES | YES |
| Selectable wide range IF filter bandwidth | NO | YES | YES |
| Front Panel Quick Station access via 4 Presets | NO | YES | YES |
| Level Adjustable, Balanced Analog Audio Outputs on XLR Connectors | NO | YES | YES |
| Professional AES/EBU, SPDIF and Optical Digital audio outputs | NO | YES | YES |
| Dual antenna ports with built-in RF attenuator | NO | YES | YES |
| USB communication interface for local connectivity | NO | YES | YES |
| Wide operating voltage range: 100-240V AC | NO | YES | YES |
