GP329EX GP340EX GP580EX MTP810EX GP328EX PTX760EX GP338EX GP328 GP338 PTX760 Radio. Motorola PMMN4058A anti-explosion ATEX Remote Speaker Microphone. Low battery alarm: Yes. Multi Appication: working distance as 2-8km,perfect for security guard, supermarket connection, construction area indication, most helpful for field survival, biking and hiking.
eBay