Kenwood TM-281A

Kenwood TM-281A

Radio rig Kenwood TM-281A 144 MHz FM Transceiver

• Daya Output tinggi: 65W
• Radio Rig TM-281A dilengkapi peringatan cuaca
• Speaker depan yang besar
• LCD display dengan kontrol kecerahan 32-step

• Kenwood TM-281A memiliki 200 channel memori, ditambah satu channel panggilan
• 6 karakter alfanumerik yang menawarkan 100 channel memori
• Dapat melakukan beberapa fungsi pemindaian
• CTCSS & DCS Encoder / Decoder
• US MIL-STD 810 C / D / E / F / G

Rig TM-281A dengan output power 50 Watt di jual dengan harga murah

• Power-on Message
• Wide/Narrow Deviation Selection (per channel)
• 1750 Hz Tone Burst
• Automatic Simplex Checker
• Reverse Function
• Auto Repeater Offset
• Beep On/Off
• Auto Power Off
• Time-Out Timer
• Channel Display Mode
• Busy Channel Lockout
• Memory Channel Lockout
• MR-shift
• Direct Frequency Entry
• Key Lock

Specifcations

GENERAL
Frequency Range	TX	144 – 148 MHz
	RX	136 – 174 MHz
Mode		F3E (FM)
Power Requirement		13.8 V DC ±15 %, negative ground
Curent Drain	Transmit	Less than 14 A (High), less than 8 A (Low)
	Receive	Less than 1 A
Operation Temperature Range		-20 °C ~ +60 °C
Antenna Impedance		50 Ω
Microphone Impedance		600 Ω
Frequency Tolerance		±2.5 ppm (-20 °C ~ +60 °C)
Dimensions (W x H x D), (Projections included)		160 x 43 x 126 mm 161 x 43 x 170.5 mm
Weight		1.13 kg
TRANSMITTER
RF Power Output Hi / Lo		65 W / 25 W
Modulation		Variable reactance modulation
Maximum Frequency Deviation		Wide: ±5 kHz, Narrow: ±2.5 kHz
Modulation Distortion		Less than 3 % (300 Hz – 3 kHz)
RECEIVER
Circuitry		Double super heterodyne
Intermediate	1st IF	49.95 MHz
	2nd IF	450 kHz
Sensitivity (12 dB SINAD)		Less than 0.18 μV (Narrow: less than 0.22 μV)
Squelch Sensitivity		Less than 0.1 μV
Selectivity	-6 dB	More than 12 kHz (Narrow: more than 10 kHz)
	-60 dB	Less than 30 kHz (Narrow: less than 24 kHz)
Audio Output Power		More than 2 W (5 % distortion)

KENWOOD follows a policy of continuous advancement in development.
For this reason specifications may be changed without notice.

Applicable MIL-STD & IP

MIL-STD	MIL 810C Methods/ Procedures	MIL 810D Methods/ Procedures	MIL 810E Methods/ Procedures	MIL 810F Methods/ Procedures	MIL 810G Methods/ Procedures
Vibration	514.2/ Procedure VIII, X	514.3/ Procedure I Category 8	514.4/ Procedure I Category 8	514.5/ Procedure I Category 20	514.6/ Procedure I Category 20
Shock	516.1/ Procedure I, II, V	516.3/ Procedure I , IV	516.4/ Procedure I , IV	516.5/ Procedure I , IV	516.6/ Procedure I , IV