About this replacement
Designed for Ascom, Ericsson devices. Compatible models include Talker 9D24 MKII, Grade 3, Messenger 9D24 MKII, Raid2 Talker MKII, RAID2, RAID2-AAAAA/1A1, DT412 V2, DT422 V2. Replacement part numbers include BKB 902 44/1, BKBNB 902 44/1, BKB 902 44/1R1A, 660087, 660088. Key specifications: 3.7V, 700mAh, Li-ion.