Horizon Hobby Spektrum Firma SPMXSER1025 Manual page 7

This 2in1 has three servo ports on the receiver. Only one of
the ports is for servo use, for steering. The throttle is internally
connected to the ESC and does not have a servo port. There are no
telemetry ports, all telemetry features are integrated. The second
and third ports on the receiver are for updating and programming
the unit. See the Diagram for more information.
Specifications SPMXSER1025
FIRMA 2 in 1 - 25A Brushed Smart
Type
ESC/Dual Protocol RX
1.5 x 1 x 0.79 inches
Dimensions (L × W × H) (38 x 26 x 20mm)
without mounting tabs
Antenna Length 18mm
Channels 2 (No Throttle Servo Output)
Weight 1.2 oz (34g)
BEC Voltage 6V/1.5A
Battery Voltage, Current, ESC Temp,
Telemetry Features
Battery Data (with SMART Battery)
Battery Input Connector IC2 (EC2 Compatible)
™ ™
Voltage Range 2–3S Li-Po*/5–9S NiMH
Max Current 25A Continuous/ 70A Burst
Motor Connectors 4mm Female Motor Bullets
Compatible Motors 180-390 sized brushed
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