The AD1880-1960D274 from Anatech Electronics Inc. is a Radio Frequency duplexer module with 1.85–1.91 GHz (1850–1910 MHz) and 1.93–1.99 GHz (1930–1990 MHz) bands, SMA connectors and the LT designation.
The AD1880-1960D237 from Anatech Electronics Inc. is a Radio Frequency duplexer module with passbands of 1850–1910 MHz / 1930–1990 MHz (1.85–1.91 GHz / 1.93–1.99 GHz).
The AD1880-1960D417 from Anatech Electronics Inc. is a Radio Frequency duplexer module with SMA connectors, covering 1.85–1.91 GHz and 1.93–1.99 GHz (1850–1910 MHz / 1930–1990 MHz, LT).