Overview Product Description Set of RCA model 810K, 810K1 and 810T series phenolic side tone and band indicators. RCA part numbers 27606-1 and 27606-2. Product Videos Custom Field Product Reviews Write a Review Write a Review × RCA Model 810K, 810K1 and 810T Side Indicators (Item: DS-A899) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *