X-306 Fernlenkset Graupner 4708 Three-function FM radio control system. Ergonomically efficient FM radio control system of high technical quality at an eco-price, designed for the newcomer to model aircraft, boats and cars.
Careful design thinking has produced an FM transmitter which offers superb convenience in its class in terms of operation and functions.
Clear battery LED system monitors transmitter functions and battery parameters.
Single stick for elevator and ailerons with fine ratchet trims. Proportional throttle control lever with fine ratchet.
Switchable neutral position of the ratcheted throttle/brake lever makes the transmitter perfect for use with model cars or boats: forward 70%, reverse 30%.
Externally accessible reverse switch for altering the direction of the stick functions.
Charge socket for rechargeable cells, includes electronic circuit protecting the transmitter from reverse polarity and short-circuit of the charge lead plugs.
Robust 7-section telescopic aerial. X-306 FM transmitter, C 8 FM receiver, 1 x C 677 servo, receiver battery holder, switch harness, pair of crystals on the appropriate frequency band. Transmitter output power approx. 2W
Transmission system FM/FMsss (PPM)
RF section Integral, 35 MHz,
40 MHz
FMsss T crystals 35 MHz band, channels 61 80
40 MHz band, channels 50 92
Channel spacing 10 kHz
Control functions 3 proportional
Trim functions 2
Pulse width 1.5 ms incl. trim
Reverse switch 2 control functions
Temperature range -15 +55°C
Aerial Telescopic aerial, 7-section,
approx. 1040 mm long
Operating voltage 9.6 12 V
Current drain approx. 160 mA
Dimensions approx. 175 x 160 x 75 mm
Weight approx. 400 g