APX 2000 / APX 4000. The item "Motorola PMLN5907E APX 2000 / APX 4000 Limited Keypad Housing Kit" is in sale since Thursday, August 17, 2017. This item is in the category "Business & Industrial\Facility Maintenance & Safety\Surveillance & Alarm Equipment\Two-Way Radios". The seller is "legacytwoway" and is located in Lecanto, Florida. This item can be shipped worldwide.