personal favorite collection ham radio morse code commemorative coin.
Retevis Hat for Radio Amateurs
Connector SMA-F; Dual frequency144/430MHz (136-174+400-470)MHz
HF 4 band Shortwave Antenna.
7MHz (40m)
14MHz (20m)
21MHz (15m)
28MHz (10m)
The antenna is an omnidirectional vehicle antenna with high gain, large bandwidth, low standing wave ratio, waterproof, anti-corrosion, high-strength quality package and strong wind resistance.
Raspberry Pi duplex MMDVM hotspot is a multimode digital access point: D-Star, DMR, C4FM, P25, POCSAG and NXDN,
supports amateur radio bands VHF 144-148Mhz and UHF 430-450Mhz,
with 10mW maximum.
_md.jpg "Retevis 2-Pin Active Speaker Mic with Adjustable Volume Knob")
