Miniature Low Cost data radios for VHF or UHF narrow bands at 2W,  And a 1W 915MHZ

Size: 3.6″(91.5mm) length,  3.1″(78.4mm)wide.    VHF&UHF RF output: 100mW – 2Watts.

-VM            150-155MHz (5 MURS channels USA)
-VB              150-174MHz
-UC             450-470MHz
-EC              902-928 MHz (North/South America)
-ED              863–870 MHz  (Europe/export)

RF channels bands 6.25kHz, 12.5kHz, or 25kHz on UHF or VHF.