The Vertex Standard ISVX-454 is an intrinsically safe two-way radio is the perfect representation of what Vertex Standard stands for feature-rich, durable, compact, cost-effective products with an industry-leading three-year warranty. The intrinsically safe ISVX-454 two-way radio by Vertex Standard is a powerful 5-watt radio with 512 channels. The Vertex Standard ISVX-454 does not require an additional expensive option board for MDC1200 encode and decode, two-tone and five-tone paging, and custom channel announcement. The Vertex Standard intrinsically safe ISVX-454 two-way radio can be used for simple reliable two-way communication or you can use the full advanced feature set of the ISVX-454 2 way radio. Either way, the Vertex Standard ISVX-454 2-way radio is the right 2-way radio for the job.
https://agg-blackbox.com/Electrical/Portable-UHF-Universal-Radio-Package-with-Display-Vertex-VX454-G7UN