SRXL2 DSMX Serial Micro Receiver

The Spektrum SRXL2 DSMX Serial Micro Receiver (SPM4650) is an ultra-compact, high-performance receiver that delivers lightning-fast, bi-directional serial communication with up to 20 channels. With fly-by telemetry, dual diversity antennas, and wide voltage compatibility, it's ideal for multirotors, helicopters, and other space-conscious builds.

Features

• SRXL2 protocol for fast, bi-directional communication with up to 20 channels
• Fly-by telemetry with forward programming via compatible Spektrum transmitters
• Dual diversity U.FL antennas (100 mm) for robust signal performance
• Simple bind button — no bind plug required
• Extremely lightweight (1.4 g) and micro-sized for tight installations
• Wide voltage input range: 3.3–8.4 V

What's Included

• SPM4650 SRXL2 Serial Micro Receiver
• 2 × U.FL antennas (100 mm)
• 6″ receiver extension cable
• 4-pin connector
• Clear heat-shrink wrap
• Product manual

Needed to Complete

• Spektrum DSMX transmitter
• Flight controller compatible with SRXL2 protocol

Specifications

• Channels: Up to 20 via SRXL2
• Modulation: DSMX 2.4 GHz
• Bind Method: Bind Button or SRXL2 Bind Command
• Input Voltage: 3.3–8.4 V
• Dimensions (L × W × H): 17 × 13 × 5 mm
• Weight: 1.4 g (including antennas)
• Antenna Length: 100 mm
• Telemetry: Fly-by, forward programming supported
• Range: Full