Retekess TD183 Pager System. 210mm Dovetail Plate Put phone into phone adapter

Put phone into phone adapter and fixed

Up to 500 pagers can be added

and high magnifications in one matched eyepiece collection

Suitable for all astronomical telescopes that meet the interface dimensions；However

Retekess TD183 Pager System. 210mm Dovetail Plate Put phone into phone adapterProduct Description 2 modes Transmitter can be set to sound reminder or silent mode. The silent mode is very suitable for use in quiet environments such as hospital, office and clinic. Long distance Using FSK frequency modulation technology, the signal is stronger and more stable. The working range can reach 800m 2624ft in open area. Page all pagers Matching the IDs of multiple pagers into the same one can achieve the purpose of paging multiple guests