Radio Control System ErvoCom 
RPS2156-2 square pattern version
RPS2156-2 diamond pattern version​​​​​​​
Product Description 
The new ErvoCom Referee Paging System 2156 is a set developed in cooperation with international referees that transmits data from assistants to the referee by radio link.
The RPS 2156 is the successor product of the RPS2056 and sets new standards in communication between referees and assistants thanks to the confirmation of the Transmission of messages and high levels of reliability.
 
Product description
Special weatherproof soft grip system. Bi-directional communication between referees and assistants.
Simple pairing of flags and pagers with mutual compatibility through a unique identity. The system includes 2 flags. Signalling pitch and volume for each flag can be set individually. Three different pager pitches with two volume levels can be programmed directly at the flag. Increased transmission security and range optimisation through new high-end transceiver modules.
The form of the receiver adjusts to your arm. The antenna on the receiver is integrated into the casing. Battery testing and status signal with a signal tone when the unit is switched on as well as optical status display during the game. Power for the flags comes from standard 9V batteries. Improved energy efficiency from low power consumption. Receiver switches off automatically after approximately 50 minutes if no signal is received from a flag. The system is supplied in a practical protective bag. 

The cover for the batteries in the flag grip is black.