i.safe MOBILE IS440.1 Intrinsically Safe (C1/D1) 5G Radio

i.safe MOBILE IS440.1 Intrinsically Safe (C1/D1) 5G Radio

Marsoni

M251S

$1020.00

Get it in 3 business days with 1 day shipping. Friday, May 29

i.safe MOBILE IS440.1 Intrinsically Safe (C1/D1) 5G RadioThe i. safe MOBILE IS440. 1 is a rugged, intrinsically safe 5G radio engineered for dependable Push to Talk over Cellular (PoC) communication in hazardous environments. Certified for use in Zone 1 21 areas, it delivers seamless connectivity over public or private (campus) 4G 5G networks and Wi Fi, ensuring reliable performance even in demanding conditions. Channel Selector: Ideal for PTT applications Programmable Red Key: Configurable for functions

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The looks are very nice, functional if left alone once assembled. After that I would leave them alone otherwise you risk the main male portion just coming loose of the housing, sound quality is decent, nothing to write home about, but again, not very durable. If they could fix that 1 thing, these would be very good buy and value, the rest of each plug is hefty and well made.

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Reviewed in the United States on January 12, 2026

Verified Purchase

Amazon Customer

Charlottesville, US

★★★★★ 5

Fixed my over temp warning issue.

Easy to change and work like new. No more over temp warning at idle.

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Reviewed in the United States on June 9, 2025

Verified Purchase

Michael Rhodes