Feature:1. Voice Activated Walkie Talkie Radio: Using a 3.5mm audio jack, the transmitter can also be used as a standard push to talk or voice activated walkie talkie radio.2. Press the Call: Plug the microphone into the audio jack, just press and hold the button on the right, the sender can press the call.3. NFM WFM Audio : You can easily listen to standard NFM and WFM audio by connecting the speaker to the 3.5mm audio jack of the transmitter.4. Capture Wireless : This transmitter can easily capture and replay the wireless from the ISM band remote control.5. Basic Specifications: This is a HRP01 full featured radio transceiver with a 3.2in TFT 240 x 320 screen.How to Use:Refer to the user manual for operation.Specification:Item Type: Portapack H2Material: ABS+LCDPurpose: Radio TransceiverColour: WhiteAntenna Receiving Frequency Range: 1MHz-6GHzCapture Replay: One of the best things about PortaPack is that can easily capture and replay the wireless from the ISM band remote control.Create a catch. You only need to enter the "Catching" menu, set the frequency of the remote control key, press the red "R" recording button, and then press the key on the remote control.Then stop recording to save to the storage card.Now you can enter the replay menu, select the file you just recorded and click play. The exact same will be transmitted through the air, effectively replacing your remote control key.