TM-271A_broch.pdf

《TM-271A_broch.pdf》由会员分享，可在线阅读，更多相关《TM-271A_broch.pdf（2页珍藏版）》请在收音机爱好者资料库上搜索。

1、TM-271A 144MHz FM TRANSCEIVER Frontiers are not for the weak. It takes a rugged vehicle to meet the challenges of the wilderness, and Kenwoods new TM-271A is tough. This compact, MIL-STD-compliant transceiver delivers powerful mobile performance and such advanced features as multiple scan functions

2、and memory names, as well as NOAA Weather Band & emergency alert reception* . On or off the road, you can always enjoy the sophistication of high-quality audio. Illuminated keys and a large LCD with adjustable green backlighting for easy operation day or night help make the TM-271A the ideal compani

3、on for all your travels. All-Terrain Performance * US only TM-271A General Frequency RangeTX: 144-148 MHz RX: 136-174 MHz ModeF3E (FM) Power Requirement13.8V DC 15%, negative ground Current Drain TransmitLess than 13.0 A (High), less than 8.0 A (Low) ReceiveLess than 1.0 A Operation Temperature Rang

4、e-20 C +60 C Antenna Impedance50 ohms Microphone Impedance600 ohms Frequency Tolerance2.5 ppm (-20 C +60 C) Dimensions (W x H x D)6.30 x 1.69 x 5.39 (160 x 43 x 137 mm) (Projections included)6.33 x 1.69 x 6.65 (161 x 43 x 169 mm) Weight2.6lbs (1.2 kg) Transmitter RF Output Power (approx.) HI60 W LO2

5、5 W ModulationReactance modulation Maximum Frequency Deviation5 kHz Modulation DistortionLess than 3% (300 Hz 3 kHz) Receiver CircuitryDouble Conversion Superheterodyne Intermediate Frequency 1st IF49.95 MHz 2nd IF450 kHz Sensitivity (12dB SINAD)Less than 0.18 V (Narrow: less than 0.22 V) Squelch Se

6、nsitivityLess than 0.1 V Selectivity -6 dBMore than 12 kHz (Narrow: more than 10 kHz) -60 dBLess than 30 kHz (Narrow: less than 24 kHz) Audio Output PowerMore than 2 W (5% distortion) Kenwood follows a policy of continuous advancement in development. F o r t h i s reason specifications may be change

7、d without notice. NSpecifications TM-271A MIL-STD810C810D810E810F Vibration514.2/VIII, X514.3/I 514.4/I 514.5/I Shock516.1/I, II, V516.3/I, IV516.4/I, IV516.5/I, IV NApplicable MIL-STD NOptional Accessories MC-60A Desktop Microphone (Requires MJ-88) PG-2N DC-Power Cable PG-3B DC Line Noise Filter PS

8、-53 Heavy Duty DC-Power Supply (22.5A) SP-50B External Speaker PG-5D PC Interface Cable MJ-88 Microphone Plug Adapter MCP-1A Memory Control Software (version 2.0 or later)* *Free download from Kenwood USA website: Not all accessories are a v a i l a b l e i n a l l m a r k e t s . F o r a v a i l a

9、b i l i t y, contact your nearest dealer. HIGH RF POWER OUTPUT (60W) The TM-271A can provide an impressive 60 watts of RF power, with a choice of High/Low output. WEATHER ALERT/RX (US only) This transceiver is capable of receiving the NOAA Weather Band and responding to emergency transmissions such

10、as storm warnings by emitting an audible alert tone. US MIL-STD 810 C/D/E/F Built tough to take rough treatment in stride, the TM-271A meets the strict U.S. Department of Defense MIL-STD 810 C, D, E & F environmental standards for vibration and shock. ALPHANUMERIC LCD AND ILLUMINATED KEYPAD Capable

11、of displaying up to 6 large alphanumeric characters, the green LCD display comes with a 32-step brightness control to suit all driving conditions. Also, the front panel and microphone keypads are both illuminated for ease of use. Note that keys for only the 5 most frequently used functions are arran

12、ged on the front panel for simplicity (other functions can be quickly accessed via menu). DTMF MICROPHONE The TM-271A is supplied with a DTMF microphone as standard. U S M I L I T A R Y M I L - 8 1 0 C / D / E / F COMPLIANT Memory NameMenu Mode Power-on Message HIGH-QUALITY FRONT SPEAKER The large o

13、val (2.28 x 1.38) speaker mounted in the front panel provides excellent clarity. 200 MEMORY CHANNELS PLUS 1 CALL-CHANNEL Each of the 200 memory channels can be used to store transmit and receive frequencies independently. Additionally, memory data can be edited and stored on a PC using the optional

14、PG-5D PC interface cable and MCP-1A Memory Control Software. MEMORY NAME FUNCTION At-a-glance identification of 100 memory channels is possible with up to 6 alphanumeric characters per channel. Up to 200 channels are available if the memory name function is not used. MULTIPLE SCAN FUNCTIONS For maxi

15、mum versatility, the TM-271A offers several scan functions, including band scan, memory scan, program scan, memory group scan, call scan, tone/CTCSS scan, DCS scan and priority scan, which checks a priority channel every 3 seconds. TO (Time-operated), CO (carrier-operated) and seek scan resume modes

16、 are also provided. CTCSS & DCS ENCODER/DECODER The built-in CTCSS and DCS encoder/decoder enables operation of the 42 CTCSS subtone frequencies and 104 DCS subtone codes. HIGH FREQUENCY STABILITY With a built-in TCXO, frequency stability is 2.5ppm, while frequency drift is less than 365 Hz at -20C

17、+60C. Power-on Message Wide/Narrow Deviation Selection (per channel) 1750Hz Tone Burst Automatic Simplex Checker Reverse Repeater Checker Auto Repeater Offset Beep On/Off Auto Power Off Time Out Timer Channel Display Mode Busy Channel Lock-out Memory Channel Lock-out MR-shift Direct Frequency Entry Key Lock Canadian Headquarters and Distribution KPS-15 DC-Switching Power Supply CA279KP-E-2(01) #101603 Printed in USA