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Last modified 2024-01-08

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NW Digital Radio UDRX-440

A picture of NW Digital Radio UDRX-440


Type:Universal digital amateur UHF transceiver
Frequency range: TX: 430-450 MHz
RX: 430-450 MHz
Tuning steps:? KHz
Frequency stability:2.5 ppm
Mode:FSK & GMSK (Packet, D-Star and more)
Channels / memory management:-
Repeater shift / offset:
Power supply:13.8 VDC
Current drain / power consumption:RX: Max 500 mA
TX: Max 6 A
Antenna impedance / connector:50 ohm / N-jack
Dimensions (W*H*D):120*80*180 mm (4.85*3.23*7.3")
Weight:600 g (1.32 lb)
Other features: Fast data speed over radio, at least up to 56k.
Linux platform with browser interface.
Four USB ports. Ethernet/RJ45. Micro SD-card slot.

Receiver system: ? conversion superheterodyne
Sensitivity: BER 10-3
4K8:-113 dBm (0.5 uV)
9K6:-110 dBm (0.71 uV)
56K:-100 dBm (2.24 uV)
Image rejection:
AF output power / speaker:-
External speaker connector:-

RF output power:
High:25 W
Mid:10 W
Low:5 W
Modulation system:
Max FM deviation (Factory set):? KHz
Spurious emissions:Better than -60 dBc
Microphone impedance / connector:-
Microphone input level:-

Manufactured:China (Designed in the USA) 2014 (Cancelled)
Additional info:
Related documents:Preliminary flyer (281 KB)
Modifications and fixes:
Options / Accessories:
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