G90 SDR Transceiver
Xiegu G90 SDR Transceiver
SDR portable HF Transceiver
Characteristics
- SDR portable HF Transceiver
built-in auto antenna tuner
Spectrum image and Waterfall image display
The display unit and the case can be separated.
High-performance front-end ESC preselector.
Contents
Packing List
G90 case………………………..1
Power cable……………………..1
Data cable………………………1
Comm cable………………………1
Service card…………………….1
Certificate……………………..1
Device Description
Front panel

1. Volume/headphone knob
2. Power
Press and hold this button for 2 seconds to power on.
Press and hold this button for 2 seconds to power off.
3. Automatic knob
Default: 100kHz position step knob
Short press: custom function
4. Large knob
Frequency stepping, setting parameter.
5. Mode switch button
6. Band switching button
Display interface description
1. Current operating mode
2. Current VFO select
3. S table / Power table
4. Frequency image
5. Waterfall image
6. AGC state
7. Current external put in voltage value
8. Volume
9. Current operating frequency
10. Other VFO frequency
11. Transmitting standing wave
Tail interface description
7. ANT
Antenna interface,Type : SL16-K
8. KEY
CW key socket。
9. COMM
Communication port
10. I/Q
Signal output
11. ACC
Data connection port
12. DC interface
External DC power interface
13. GROUND
Mic description
Interface description
Operating description
Power on/off
- Power On:Power off state, keep press power switch 2 sec.
- Power off:Power on state, keep press power switch 2 sec.
Volume adjustment
Left/right turn the volume knob, increase or decrease the volume.
headset mode switching
In using the built in speaker state, short press the volume knob to switching to headset mode, at the same time it has a icon to display in the screen.
Frequency step carry select
- 1kHz bit, 10kHz bit: short press main knob, switching carry.
- 100kHz bit: turning the definition knob to change the current frequency.
Switching operation mode
Short press the MODE “+” / MODE “-“ button on the machine head-top, it will cycle switching mode between USB—LSB—CW—AM.
Switching current operation mode
Short press the BAND “+” / BAND “-“ button, it will cycle switching band between 10 amateur bands
multifunction operation
Press the FUNC button, the function pilot will lit, this time we can enter the second function.
PRE/ATT function
- Short press PRE button, start up preamplifier.
- Press hold PRE to turn on the ATT pre-attenuator.
CMP button function.
Short press CMP button,turn on voice compressor.
NB function
- Short press NB button, open NB function.
- Short press again, turn off NB function.
AGC function
Short press AGC button, turn on AGC function.
VM function
Short press VM button, switching between VFO mode and channel mode.
MW/MC function
Short press MW/MC button, storing channel
A/B function
Short press A/B button , switching between the VFO-A and VFO- B.
TUNE function
Short press TUNE button, turn on built in auto Antenna tuner.
Press hold, start tuning.
POW function
Short pow button, cooperating self- defining knob, adjusting transmitting power.
KEY function
Short press KEY button, enter the function settings relate to the cw.
LOCK function
Short press LOCK button,locking button.
The machine head and case separation operation instructions.
In power off state, connecting the machine head and case with the cable, then operating the interface of machine head.
Note: In the power-on state, after the machine head is disconnected from the cable, the host will continue to work in the previous working state.
After the host connect the machine head again, wait for about 2 sec, the machine head can resume communication with the host.
Specifications
Basic parameter
Receive frequency range: 0.5MHz~29.999999MHz
Transmit frequency range:
- 8~2.0MHz
- 5~4.0MHz
- 0~7.3MHz
- 1~10.15MHz
- 0~14.35MHz
- 068~18.168MHz
- 0~21.45MHz
- 89~24.99MHz
- 0~29.7MHz
Operating mode: SSB/CW/AM
Receive sensitivity:0.25uV @12dB Sinad (PRE:ON)
Adjacent channel suppression:60dB
Select:
- SSB 2.4kHz
- CW 300Hz
Dynamic Range:90dB
Frequency stability:±2ppm(after power on 30 min)
Operating voltage range: 11~16V DC
Standby current: 750mA @ Max
Transmitting voltage::8A @ Max
RF output: 20W
Carrier suppression: ≥40dB
Spurious suppression: ≥50dB
Sideband suppression: ≥55dB
Audio output power: 0.5W@ 4Ω
Temperature range: 0~55
Case size: 120*45*210 mm(non include protrusions; display system and body combination status)
Case quality: about 1.85kg
ATU parameter
Initial tuning time: ≤10s
Reentry tuning time: ≤50ms
Tuned impedance range: 15Ω~250Ω
photos by: 2E0BVJ
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