Xiegu Communication X5105
HF+50MHz Portable HF Transceiver©
Distributed Exclusively in the USA by MFJ Enterprises
Features:
High-Visibility 3.6- Inch LCD Screen
Built-in 3800-mAh high-capacity battery
Built-in SWR Bridge and ATU
All modes (USB/LSB/CW/AM/FM/Digital)
All Bands (160-M through 6-M)
General Coverage Receiver
1st-IF Signal Output for Spectrum Display
DSP-NR, Noise Blanker, Notch Filter
Memory Keyer with CW trainer
Speech-Processing Compressor
Firmware Download Upgradable
Multi-function Keypad Microphone
Built-in Desktop Stand
XIEGU X5105 QRP TRANSCEIVER
Packing List - Confirm that your transceiver package includes the following items:
[ ] X5105 Transceiver
[ ] Multi-Function Keypad Microphone and cord [ ] Power Supply Cable
[ ] USB Data Cable [ ] 3.5mm Plug
[ ] Warranty Card and Certificate [ ] Instruction Manual
Introduction: The USA version of Xiegu’s X5105 Transceiver is distributed and backed exclusively by MFJ Enterprises. This unique radio delivers an exceptionally wide range of operating features normally found only in more-costly base-station radios. For example, the general-coverage receiver tunes continuously from the AM broadcast band to 54 MHz. VFO tuning is velvet-smooth with a wide range of tuning rates – including 1-Hz steps for critical data reception. DX splits are easy using the VFO A/B function, and a wide-range RIT with digital readout lets you scout adjacent frequencies in both directions. The X5105 transmits on 160 through 6 Meters (amateur bands only) with power output adjustable from 0.5 to 5.0 Watts. Operating modes include USB/LSB, CW, FM, AM, plus digital transmissions (1.5-W carrier on AM). There’s also a built-in SWR Bridge and Automatic Antenna Tuner (ATU) that will put you on the map from virtually any portable location using improvised antenna systems.
When it comes to pulling weak DX signals out of the noise, the X5105’s “big-radio” features make all the difference! There’s a built-in Pre-Amp and Attenuator, pulse-type Noise Blanker, Digital Noise Reduction (DNR), Notch Filter, adjustable AGC-Rate (fast, slow, automatic, off), plus variable high and low pass audio filters, built in speaker, and plenty of audio power to drive an external speaker. Serious CW operators will appreciate the built-in multi-mode Automatic Keyer with three memory channels and CW-trainer. There’s also built-in Speech Processing for added DX punch. The electret hand microphone features a multi-function key-pad that places many of the radio’s advanced operating features right at your fingertips. Whether operating indoors or out, the X5105’s large 3.6-inch high-visibility back-lit screen displays every aspect of your radio’s operation with easy-to-read numerals, letters, and analog scales. And, even though the X5105 is physically small, all operating controls are clearly marked and spaced apart to accommodate adult-sized fingers!
Thanks to all these features, you can say goodbye to the tangled patch cables and add-on boxes that normally accompanies QRP operation. There’s even a front-panel microphone and manual transmit switch for operating “handy-talkie” mode. Best of all, the powerful 3800-mAh on-board battery pack delivers 6 to 8 hours of energy-independent portable operation between charges. The radio operates from any external 9-15 Volt 3-Amp dc supply, and a built-in smart-charger monitors battery condition. Even though it’s loaded with special features, the X5105 measures just 6-5/8” wide x 3-5/8” high x 1-7/8” deep and weighs just 2.1 pounds with the battery included. Positive proof that remarkable things come in small packages!
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XIEGU X5105 QRP TRANSCEIVER
SPECIFICATIONS
Receive Range: Continuous, 500kHz to 54MHz
Transmit Range: 160-M through 6-M (Amateur bands only)
Operating Mode: A1A(CW) A3E(AM) J3E(USB/LSB) F3E(FM)
Temperature Range: -10 ~ +60
Stability: First Hour, + 4ppm @25 . After First Hour, 1ppm
Voltage: 13.8VDC ± 15%, (9–15 Vdc)
Current: Rx, 500 mA Peak, Tx, 2.5 A Peak
Battery: 3800 mAh @ 12Vdc
Dimensions: 6-5/8” W, 3-5/8” H, 1-7/8” D
Weight: 2.1 lbs.
Transmit Power Output 0.5 – 5.0 W PEP SSB/CW/FM (0.5-W increments)
AM: Low-level, Reverse-Amplitude Modulation (5-W Carrier, 1.5-W on voice peaks)
FM: Reactance Modulation, ±5kHz
Harmonics, Spurs: > -45dBc
AF Input: 200-10k (600-Ω microphone)
Receiver: Superhet, 1st IF: 70.455MHz, 2nd IF: 10.695MHz, 3rd IF: 455kHz NFM only
Rx Sensitivity:
|
SSB/CW |
AM |
FM |
|
|
|
|
1MHz-1.8MHz |
0.35uV |
10uV |
/ |
|
|
|
|
1.8MHz-28MHz |
0.25uV |
2uV |
/ |
|
|
|
|
28MHz-30MHz |
0.25uV |
2uV |
0.35uV |
|
|
|
|
50MHz-54MHz |
0.25uV |
2uV |
0.35uV |
|
|
|
|
(PRE=on ATT=off NB=off NR=off SSB/CW/AM = 10dB S/N FM = 12dB SINAD)
Image Rejection: -70dB
IF Rejection: 60dB
Selectivity: SSB -6dB @ 2.4 kHz, -60dB @ 4.6 kHz
CW -6dB @ 500 Hz, -60dB @ 2 kHz
AM -6dB @ 6 kHz, -60dB @ 25 kHz
FM -6dB @ 12 kHz, -60dB @ 25 kHz
DSP Noise Reduction: AF DSP, variable
AF Output: 0.6W into 8Ω ≤10% THD
Firmware Version: V1_0_04 Build 014 March 21 2018
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XIEGU X5105 QRP TRANSCEIVER
EXTERNAL CONNECTIONS
INTERNAL BATTERY
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XIEGU X5105 QRP TRANSCEIVER
The X5105 comes with a built-in 3800-mAh battery pack. When no external power source is connected to the power jack, the battery supplies power to the radio. When a power source is connected, the radio senses the external voltage and switches over to it.
Charging Procedure: You may listen to the X5105 while it is charge mode -- but avoid transmitting while charging is taking place. The combined current required to simultaneously transmit and charge the Lithium ion cells could exceed the capacity of the radio’s power-management components. To initiate a charge cycle while the radio is operating:
Scroll to Menu-7, select [CHG] (charge), then select CHG ON (charger on).
To ensure a full charge, apply at least 13.5 volts from the external power source (normal charge range is 13.5–14.0 volts). Charging begins automatically and is monitored by the charge controller.
The maximum charge time required for a fully depleted battery is 12 to 15 hours. When the battery is fully charged, the charge controller automatically terminates the charge cycle.
When your radio is turned off with external power connected, the battery automatically recharges, as needed, to restore a full charge.
When battery power is nearly depleted, the battery symbol located at the upper right corner of the display screen will appear to be “empty” 
. At this point, you should switch to an external supply or recharge the battery right away. Note that during the recharge cycle, it is normal for the X5105 heatsink and case to become slightly warm. Normal life span for the internal battery is about three years. Contact MFJ Enterprises to order a replacement when you observe a significant drop in capacity or if the battery fails to hold a charge. Note that routine battery replacement is not covered under warrantee.
IMPORTANT OPERATING WARNING: DO NOT abruptly disconnect the power supply when the X5105 is connected to an external power source and the radio is transmitting. Doing so can damage the radio’s power-management components. Also, avoid transmitting while simultaneously charging the battery.
IMPORTANT BATTERY WARNING: Lithium-ion batteries are widely used in electronic devices and the technology is safe. However, in rare isolated cases, Lithium ion batteries have been known to fail internally and overheat. Should such a failure occur involving the battery in your X5105, the radio’s enclosure would likely become extremely hot to the touch. In this event, disconnect the radio’s external power source and immediately remove the radio to a well-ventilated flame-resistant area. After the case cools down, contact MFJ with a detailed description of the event and request specific handling instructions.
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XIEGU X5105 QRP TRANSCEIVER
CONTROLS AND FUNCTONS
Front panel:
1.Power Button:
Press and hold for 1 second to turn the radio on or off.
2.Mode Button:
Step or scroll to change the radio’s operating mode: [LSB-USB-CW-CWR-NFM-AM]
3.PRE/ATT Button:
Step or scroll to select receiver sensitivity Range: [PRE=ON, ATT=ON, PRE/ATT=OFF]
4.RIT Button:
Press to toggle the RIT (receiver incremental tuning) function on or off.
5.NB Button:
Press to toggle the NB (noise blanker) function on or off.
6.MENU Button:
Press Menu to display menu selections and to step through available functions.
7. – 10. Multifunction-Menu Buttons:
Press to access a desired function (functions appear above each button on the screen).
11.Main Tuning Knob:
Tunes the X5105 VFO, also adjusts some menu parameters.
12.ATU Button:
Press momentarily to bring the ATU (automatic antenna tuner) on line. Press and hold to activate the ATU’s automatic tuning cycle.
13.Po Button:
Press and rotate the VFO knob to set RF-Power Output level (0.5W-5W).
14.A/B Button:
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