Answer:
The SM3-33PC operates on 400 MHz / 434 MHz FSK modulation and is compatible with SOLT 1-key call buttons, 2-key Call/Cancel buttons (including SB7 and SB9 series), and SOLT RF signal repeaters.
The SM3-33PC receiver unit functions within the SOLT wireless ecosystem using Frequency-Shift Keying (FSK) modulation in the 400 MHz / 434 MHz band. It integrates with the following equipment:
- Transmitter Buttons: Fully compatible with SOLT single-button call units and 2-button Call/Cancel units (such as SB3, SB5, SB6, SB7, and SB9 series). If using wireless transmitters powered by 23A-12V batteries (they are not included), ensure compatible replacement cells are sourced separately.
- Signal Repeaters: Compatible with SOLT wireless RF repeaters to bypass concrete walls, structural steel, or multi-floor obstacles beyond the native 100-meter line-of-sight range.
- ID Registration: Wireless transmitter IDs are registered over-the-air directly at the SM3-33PC receiver without physical data cabling.
