Amplivox SW610A Half-Mile Hailer Loud-Speaker Megaphone UHF A Band 584-608 MHz 155344262349 but the displays CRC Error

but the displays CRC Error - Block 11 and asks to insert system boot disk

Manufacturer Linear Technology Part Number DC823B-A Model Number LTM4600EV SKU 19-17554 Ref 23-22625

This Power Drive has been tested working onsite and is guaranteed

Manufacturer EYE Solarlux / EYE Iwasaki Part Number 94004 Model Number M10ESH2D-01 SKU 19-13822 Ref 23-97438

Manufacturer Photon Model Number 3088-10 SKU 19-53612 Ref 23-76832

Amplivox SW610A Half-Mile Hailer Loud-Speaker Megaphone UHF A Band 584-608 MHz 155344262349 but the displays CRC ErrorThis item is out of stock. Contact us to be notified when it becomes available again. Specifics Manufacturer Amplivox Model Number SW610A SKU 19 75118 Ref 23 107792