ULXD8W-H50
Wireless desktop base transmitter. Requires QLXD4 or ULXD4 receiver, white. Compatible with SBC450 and SBC850 battery charging stations. Used with MX405LP/MX405WLP, MX410LP/MX410WLP, MX415LP/MX415WLP, MX405RLP/MX405WRLP, MX410RLP/MX410WRLP, MX415RLP/MX415WRLP. Tunable
Frequency Range (64MHz) 534-598.