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Graupner - GPNJ3020 GPN33020 33020 013389465342 4013389465342
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Graupner MC-20 12-Channel HoTT System
Graupner MC-20 12-Channel HoTT System
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Tower Catalog Page: 157

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Tech Notes
This is the Graupner FHSS MC-20 HoTT 12-Channel Radio Control System
with the GR-24L 12-channel and GR-12L 6-channel HoTT 2.4GHz Receivers
Servos Not Included.


Practical optimized multi-function menus with extensive programming
for fixed wing aircraft and helis
Heli swashplate mixing for 1, 2, 3 or 4-point linkage
Swashplate limiter
Multiple receivers may be bound to expand up to 16 channels
Micro memory card slot for storing telemetry data, adding model
memories, playing MP3 files and downloading firmware updates
Updatable software via USB interface, or a micro memory card
Two high-contrast 8-line Blue-Lit graphical displays
Selectable 10ms cycle times for digital servos
Fail safe monitors 12 servo functions
32-bit processor transmits data directly to the transceiver for ultra
fast response times
Free assignment of all switches
24 model memory
12 control functions
Wireless L/S function, and wireless trainer function
Telemetry data can be stored with date & time info
Voice output may be accessed with freely programmable switches
Freely selectable mode 1-4
CAP-TOUCH key with lock function prevents unintentional operation
PPM signals can be set at data output

Hott Benefits Include;
12 programmable mixes for fixed wing aircraft and helis
7 flight phase programs can be adjusted for individual modes and
assigned names
Super-Servo menu lets pilots view all servo setting data and
adjust paramenters
SUPER-DUAL-RATE, EXPO, & EXPO/DUAL-RATE menu with 36 possible
Extremely fast binding
Range test and low voltage warnings
Failsafe, channel mapping, mixer functions and all servo settings
can be programmed with the built-in LCD or HoTT Smart Box (not
included, sold separately GPNP3700)
3.6 - 8.4V receiver voltage range


Graupner FHSS MC-20 HoTT 12-Channel Transmitter with Short and Long
GR-24L 12-channel Hott 2.4GHz Receiver, GPNL1022
GR-12L 6-channel HoTT 2.4GHz Receiver, GPNL1012
6000mAh LiPo Battery
Battery Charger
Micro Memory Card
Aluminum Case
Transmitter and Neck Straps
Hand Rests
Update Cable


Servos of modeler's choice


Input Power: 6000mAh LiPo
Display: Blue-Lit graphics
Operating Voltage: 3.4-6V
Frequency: 2400-2484.5GHz
Dimensions: 12.4 x 9 x 2.6" (315 x 228 x 66mm)
Weight: 49.4oz (1400g)

GR-24L 12 Channel 2.4GHz HoTT Receiver-
Channel: 12 channels
Frequency: 2400-2483.5 MHz
Temperature Range: -15 to +70C (-59 to 158F)
Operating Voltage: (2.5) 3.6-8.4V
Current Consumption: 70.0mA
Size: 1.81 x 1.22 x 0.55" (46 x 31 x 14mm)
Weight: approx. 0.56oz (16.0g)

GR-12L 6 Channel 2.4GHz HoTT Receiver-
Channel: 6 channels
Frequency: 2400-2483.5 MHz
Temperature Range: -15 to +70C (-59 to 158F)
Operating Voltage: 3.6-8.4V
Current Consumption: 70.0mA
Size: 1.42 x 0.83 x 0.39" (36 x 21 x 10mm)
Weight: approx. 0.25oz (7.0g)

jxs 02/10/15

– If you need more information, use these Graupner resources –
Phone: 855-572-4746   Postal Address:
3941 PARK DR, SUITE 20-571

Click here for Units of Measure Conversion Calculators

Accessories Needed

Accessories for the Graupner MC-20 12-Channel HoTT System

      Optional Accessories
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
Click to Order Quantity Needed In Cart? Stock
 LXERCG Graupner HoTT Smart-Box LCD Telemetry Setup Display
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39.90   In Stock
Limited Quantities
Subtotal for this Group of Accessories: 39.90  

      Optional Accessories

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