[ONE KEY TALK]This smart audio receiver is equipped with 3.5mm audio jack for Portapack, which makes it can also be used as a standard configuration. Voice walkie talkie radio one key talk. [FREQUENCY RANGE]This receiver with 1MHz6GHz frequency range. There is a Mini memory card slot for data and code storage, very practical and convenient. [ACCURATE TUNING]This USB SDR radio transceiver adopts PPM calibratio, which enables more accurate tuning and stable performance, very easy to use, you can use with confidence. [EASY TO USE]This SDR radio receiver kit contains 3pcs antennas and 1pc USB cable, easy to connect and install. Press the black knob once to turn on and press the black knob twice to shut down. Feature: 1. The 3.5mm audio jack for Portapack can also be used as a standard configuration. Voice walkie talkie radio one key talk 2. There is a Mini memory card slot for data and code storage, very practical and convenient 3. PPM calibration enables more accurate tuning and stable performance, you can use with confidence 4. The product adopt lithium battery, battery capacity is 2000mAh, durable for a long using time 5. SDR radio receiver kit contains 3pcs antennas and 1pc USB cable, easy to connect and install 6. SSB, AM, narrowband FM, broadband FM audio reception, with cascade spectrum. 7. Broadband (18MHz) spectrum and cascade analysis. 8. Monitoring of boat (), automobile (TPMS), E utility counter transponder (ITRON ). 9. for mode runs for firmware for use with the SDR host computer software. 10. Sleep mode saves energy by turning off the display only. 11. Audio output, Microphone input, -USB interface How to Use: 1. Press the black knob once to turn on 2. Press the black knob twice to shut down Item Type: SDR o Receiver Battery Model: Lithium battery Battery Capacity: 2000mAh Colour:black Material:Metal+Plastic Package Contents: 1 x Host 1 x 433Mhz Antenna 1 x 2.4G-5.8G WIFI Antenna 1 x 40Mhz-6Ghz Telescopic Antenna 1 x SMA Male-Male Cable 1 x -USB charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.