Usdr Usdx + V2 Plus Transceiver, Spec: No Power Supply

Usdr Usdx + V2 Plus Transceiver, Spec: No Power Supply

Function:
1. Remove the headphones and the power button/microphone jack to the front panel, convenient to connect the headset and the power button
2. Move the keys to the bottom of the LCD screen for a larger touch area and a more comfortable keystroke experience
3. Upgrade the built-in speakers to double the sound
4. PCB to reserve a variety of upgrades required pad, out of the box, can be used as a DIY upgrade learning template
5. Change the QRP CW frequency quickly
6. Support CW side volume adjustment
7. Support CW side tones
8. This is a shortwave QRP SSB/CW transceiver. Ultra-small size for portable outdoor use, (with batteries and no batteries optional, built-in 4000MAH lithium battery)1602n LCD screen, built-in speakers, support to connect computers using FT8, JS8, FT4 and other mode software control digital, support CW automatic decoding
Features:
1. 8 tracks covering 80M/60m/40m/30M/20m/17M/15m/10m
2. PCB layout design in line with high frequency circuit design principles to ensure excellent performance
3. Both built-in Battery and external 13.8v power supply, can achieve 8-stop 3-5w power, and reserve the necessary sot-223 and To-220 pack pad for upgrading
4. High launch efficiency
7. KDS high precision tcxo brand, frequency accuracy above 1ppm, frequency stability above 0.5ppm
8. Ultra-small size: 88x39x124mm (without bulge)
9. Rich interfaces (cat, ptt out, mic/key, k-head mic)
10. All LPF components use 100v c0g/np0 capacitors
11. Using op-amp chips are lower than those of lm4562 noise
12. A built-in speaker with a cavity
13. BNC antenna interface
Explanation:
1. Support full mode: usb、lsb、cw、am、fm (ssb mode reception effect is good, but the transfer effect is poor. AM and FM mode is free, the effect is not good)
2. Filter DSP filter: 4000,2500,1700,500,200,100,50 Hz passband
3. Function DSP function: automatic gain control (AGC) , noise reduction (NR) , XMIT Voice Trigg