Motorola HT1250 AAH25CEF9AA5AN Limited Low Band Portable Model 2 Limited Digital/Analog_P25 which means their rated for

which means their rated for hazardous environments with combustible gases

You can also check the Invisio part # to make sure these are compatible

See pictures

Part #: M01SKM9PW6AN

Motorola HT1250 AAH25CEF9AA5AN Limited Low Band Portable Model 2 Limited Digital/Analog_P25 which means their rated forManufacturer: Motorola Model: HT1250 Part #: AAH25CEF9AA5AN Description: LOW BAND: 35 50 MHz 14 character alphanumeric display screen 128 channels 16 zones X Pand compression Quik Call II and MDC 1200 signaling Programmable emergency button Available upgrades to BLACK GREEN RED YELLOW : When checking out, you can upgrade to Green or Red or Yellow colors. If you upgrade, you will receive a new "GRADE A" housing, which means the radio's case will be in