ALPS TONE & VOICE PAGER Your Alps pagers a highly reliable. extremely compact synthesized receiver for tons and voice paging. Your Alps pager is skipped with a builtin speaker and antenna and Is shipped with a single standard “AA” nickel-cadmium battery, Battery Installation The pager can be operated with a single “AA” size battery, which can be ei type ) or rechargeable type (nickel-cadmium] battery. in the off position. 2.