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 * A Class (Chinese: A 類)
 * 技術員級（英语:Technician）

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=Yaesu FT-817=

=Yaesu FT-818=

The Yaesu FT-818 is one of the smallest MF/HF/VHF/UHF multimode general-coverage amateur radio transceivers. The set is built by the Japanese Yaesu Musen Co., Ltd. With internal battery pack, on board keyer, its all mode/all band capability and flexible antenna, the set is particularly well suited for portable use.

Technical description
The new FT-818 incorporates all the many basic and attractive features of the ever-popular FT-817ND while providing upgrades desired by many existing owners. The FT-818 provides 6W of solid output power with an external DC power source. The supplied Ni-MH battery pack (SBR-32MH) has been upgraded to now provide larger battery capacity - 9.6v/ 1900mAh. The recent launch of several new satellites is a certain indicator that the large global community of satellite enthusiast are going to be very delighted to learn that the FT-818 includes a Built-in TCXO-9 oscillator that gives the FT-818 fantastic frequency stability (±0.5ppm).

Technical Specifications

 * RX Freq coverage: 100 kHz-30 MHz, 50 MHz-54 MHz, 76 MHz-154 MHz, 420 MHz-470 MHz
 * TX Freq coverage: 160 - 6 Meters, 2 Meters, 70 Centimeters (Amateur bands only), 5.1675 MHz Alaskan Emergency Frequency (USA only)
 * Power consumption: 13.8 V DC @ transmit 2.7A, @ receive 450mA.                                                             *Operating voltage range: within 8.0 - 16.0V (AA alkanine batteries: 12.0V; Ni-MH battery: 9.6V)
 * Tuning steps: 100 Hz AM, FM; 10 Hz SSB, CW
 * Dimensions: 135 x 38 x 165 mm
 * Weight appx.: 900g
 * Emission: CW, SSB, AM, FM, Digital mode
 * Power output: 6W (SSB,CW,FM), 2W (AM, carrier) @ 13.8V
 * Carrier suppression: better than 40 dB below rated output
 * Opp. sideband suppression: better than 50 dB below peak output
 * Spurious: better than – 40 dB below peak output
 * Transmitter freq response: 400 – 2600 Hz (-6 dB)
 * Stability: ±0.5 ppm
 * Ant output impedance: 50 Ohms unbalanced (front BNC connector, rear UHF (SO-239) connector)
 * Microphone output impedance: 200-10k Ohms (Nominal: 600 Ohms)
 * Image rejection: HF/50 MHz: 70 dB, 144/430 MHz: 60 dB
 * IF rejection: -60 dB
 * Selectivity: -6 dB 2.2 kHz, -60 dB 4.5 kHz
 * Audio output: 1 W @ 10% THD, 8 Ohms

Supplied Accessories

 * MH-31A8J hand microphone
 * SBR-32MH Ni-MH 9.V battery pack 1900 mAh
 * PA-48B/C/U Battery charger
 * FBA-28 Battery case for AA batteries
 * YHA-63 whip antenna for 50/144/430 MHz
 * E-DC-6 DC cable
 * Shoulder Strap
 * Ferrite Core
 * Rubber Foot

Available Options

 * YF-122S/C/CN Collins CW Filter
 * MH-36E8J DTMF mic
 * CT-62 Cat interface cable
 * CT-39A Packet cable
 * CSC-83 soft case
 * ATAS-25 portable manually tuned antenna

China Roads
China Expressways National Expressways (國家高速-高速)

Name: GXX (National expressways)



Province Expressways (省級高速-高速)

Name: SXX (Province expressways) “S” is the first letter of the Province in Chinese “省”‘s Pinyin：“Sheng”.

China National Highways (國道/Guodao）

Name: GXXX (National Highways)



Province Highways (省道/Shengdao）

Name: SXXX (Province Highways)