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Last modified 2024-04-12

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Radioddity QT40

A picture of Radioddity QT40

SPECIFICATIONS

GENERAL
Type:Citizen band / "Freeband" / Export transceiver
Frequency range: Export mode
24.715-30.105 MHz
10 m mode
28.000-29.695 MHz

10 NOAA weather channels or 140-170 MHz (RX only)
Channels / tuning steps:480 (6*40 Hi and 6*40 Lo)
Mode:AM / FM / SSB
Frequency control:PLL
Frequency stability:±5 ppm @ -20 to +50°C (-4 to +122°F)
Clarifier or Delta tune:±? KHz "Fine tune"
Power supply:13.8 VDC (3-pin connector)
Current drain / power consumption:RX: ? mA
TX: Max 8 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):200*61*287 mm (7.87*2.4*11.3")
Weight:1.5 Kg (3.31 lb)
Other features: PA. CTCSS/PL an DCS. Noise reduction. Weather alert. NB/ANL.
+10 KHz button. ±100 KHz repeater offset. Dimmer. SWR meter.
VOX. Echo chamber. Roger beep. Scanning. PC programmable.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne (SSB)
IF: 10.695 MHz
Double conversion superheterodyne (AM/FM)
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity: AM: 1 uV (10 dB S+N/N)
FM: 1 uV (20 dB S+N/N)
SSB: 0.25 uV (10 dB S+N/N)
Selectivity: AM/FM
3 KHz (-6 dB)
9 KHz (-50 dB)
SSB
2.1 KHz (-6 dB)
3.3 KHz (-60 dB)
Image rejection:65 dB
AF output power / speaker:3 W at ?% distortion / 8 ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power: AM: 1-12 W
FM: 1-40 W
SSB: 1-35 W
Modulation system:
Max FM deviation (Factory set):±2.8 KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:China, 2023-202x
Main PCB:
Sub PCBs:
Additional info:
Related documents:User manual (775 KB)
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options / Accessories:
? USB programming cable