GVZ
1, K6, 150 yuan, used for upgrading or replacing the 4732. It has high playability and is recommended to purchase a version with more memory.
2, DM1701, 250 yuan, or other low-priced dual-mode devices, to experience the digital mode. After using GD77 for a while, it was truly a satellite communication tool.
3, Yagi antenna – essential for satellite communication and long-distance communication; available at RSJ for 170 yuan.
4. Shortwave receiver, 300 yuan. It can always receive and transmit, but it's not ideal. There are many SDR (Software Defined Radio) options available with a computer (such as the RSP1 from Rice Communications or RTLSDR with good compatibility), or you can use a PL330 shortwave radio without a computer.
5. MMDVM box, 400 yuan. I actually think this is a good product; the combination of digital and networking feels more like a communication device than a traditional radio.
It seems like we've exceeded the budget for mmdvm; should we delete it?
6. The remaining components can be supplemented with various antennas, including short antennas, long antennas, flexible antennas, foldable antennas, telescopic antennas, and also the small loop antenna for shortwave receivers.
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