Having all three on the screen visibly shows what type of signals are being detected. This device allows the operator to set an alarm to reject background noise to a certain threshold, so it will only detect from at above the frequency set.

 FREQUENCY RANGE: 50 MHz to 12 GHz

• Frequency Range: 50 MHz – 12 GHz, Band 1: 50 – 700 MHz, Band 2: 700 MHz – 3 GHz, Band 3: 3GHz – 12 Ghz
• Charging Port: USB
• Battery Recharge Time: 4 hours
• Battery Resource: 6 Hours
• Battery: Rechargeable Li-Ion 1150mAh @ 3.7v
• Threshold settings: 48 steps
• Microwave Antenna: Built-in (band 3)
• RF Connector: SMA (band 1 & 2), 50Ohm
• Working Modes: Silent, Audio, Alarm
• Display Modes: All Bands, One Band
• Indicators: Main Display & Status Display
• Operating Temp: 14-113°F