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Last modified 2023-02-28

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Elecraft K4D

A picture of Elecraft K4D

SPECIFICATIONS

GENERAL
Type:Amateur HF/VHF(UHF) transceiver
Frequency range: TX: 10-160 m + WARC and 60 m / 6 m
RX: 0.1-54 MHz

2 m and 70 cm option still in planning?
Tuning steps:1 / 10 Hz
Frequency stability:±0.3 ppm (No temperature reference)
Mode:AM / FM / SSB / CW / Data
Channels / memory management: 999 regular??
4 quick memory
Repeater shift / offset:±? KHz
Power supply:11-15 VDC (Anderson PowerPoles)
Current drain / power consumption:RX: Less than 3 A
TX: Max 25 A
Antenna impedance / connector:50 ohm / SO-239 (Plus three SO-239 with optional KAT4)
Dimensions (W*H*D):343*114*254 mm (13.5*4.5*10")
Weight:4.54 Kg (10 lb)
Other features: Modular hybrid design for easy upgrade and expansion. DSP. 7" color touch
display. HDMI video output. Ethernet jack. Remote control. Single or dual
panadapter. USB-jacks. RS-232C. Transverter I/O. Iambic keyer. Twin RX.
CW, PSK31/63 and RTTY encode/decode. Real-time clock. RX and TX equalizer.
Built-in help system. Linux-based computing module.




RECEIVER SECTION
Receiver system:Direct-sampling SDR
Sensitivity: SSB/CW (MDS)
0.1-23 MHz, Preamp OFf/1/2: -118/-128/-135 dBm
23-54 MHz, Preamp OFf/1/2/3: -118/-128/-135/-141 dBm
Selectivity:
Image rejection:
AF output power / speaker:2.5 W at 1% distortion / 4 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

HF6 m2 m*70 cm*
AM:0.1-100 W0.1-100 W (85 W)0.1-15 W0.1-15 W
FM:0.1-100 W0.1-100 W (85 W)0.1-15 W0.1-15 W
SSB (PEP):0.1-100 W0.1-100 W (85 W)0.1-15 W0.1-15 W
CW:0.1-100 W0.1-100 W (85 W)0.1-15 W0.1-15 W

* With optional VHF/UHF band module (Planned)
Modulation system:
Max FM deviation (Factory set):FM: ±5 KHz
NFM: ±2.5 KHz
Spurious emissions:HF: Better than -50 dB
6 m: Better than -60 dB
Microphone impedance / connector:? ohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:USA, 2019-202x
Additional info: This version comes with the KDIV4 diversity module pre-installed

New price, february 2023 in the US: $5499.95
Related documents:User manual Rev.C5 (13.4 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
K-POD
KAT4
KHDR4
KPA500
KPA1500
SP4
?Planned?
External precision controller
Internal automatic antenna tuner unit. 10:1 range
Dual superhet receive module
Linear amplifier. HF/6 m, 500 W
Linear amplifier with ATU. HF/6 m, 1.5 KW
External HiFi speaker
Internal VHF/UHF module. 15 W allmode
A rear picture of Elecraft K4