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HF SSB USDX QRP Transceiver 3-Band Shortwave Transceiver Pocket-Sized Handheld Micro Transceiver
Description:
The uSDX is a portable QRP amateur radio shortwave transceiver with a miniature SDR architecture, referring to a portable SDR model that redefines the look and feel of the uSDX. It can be used as an entry-level FT8/CW/SSB learner, with good SSB reception quality.
Specifications:
- Frequency Range: Receiving: 0.5MHz~30MHz (theoretically can reach the limit of SI5351); Transmission: 1.8～30MHz
- Working mode: CW, AM, and SSB
- Minimum step size: 10Hz
- Antenna Impedance: 50Ω
- Operating temperature range: 0°C to 50°C
- Power supply voltage: 10.5~16V DC (negative end connects the ground)
- Current consumption: Receive: 100mA Max; transmit: 1A Max
- Body Dimensions: 50 x 20 x 80mm/2 x 0.8 x 3.1" (WxHxL) (excluding the size of protrusions)
- Weight of main unit: about 90g/0.2lb
- RF output power: 0.1-5W (SSB/CW); 0.1-5W (AM carrier) at 13.8VDC
Package Included:
- 1 x HF Transceiver
- 1 x USB-TTL Cable
Headphone Jack:
* 1 is ground, 2 and 3 are signals.
* Mic and button multiplexing port definition: In SSB mode, this socket functions as a microphone. 1 is the ground, 2 is the microphone (built-in microphone, here is the external MIC), and 3 is the PTT control (panel integrated PTT control, the button name is XMIT).
* In CW mode, it is the key interface. Please note that after switching back to SSB mode, the button can be used as PTT transmission control, and the internal MIC is invalid at this time (the plug is inserted into the device, and the internal MIC is disconnected).
Connect to Computer:
PTT Control Circuit:
Antenna Interface:
The antenna interface is SMA, and a 50-ohm resonant antenna is recommended.
Programming Socket:
Above the OLED screen socket in the machine, there is a 4P pad, and the square hole is the ground wire, which is defined as GND/TX/RX/DTR in turn. Please use TTL cable to connect when flashing. Note that RX and TX are interchanged. Bootloader rate is 115200.
