Magnum M257 10 Meter Mobile EXPORT Transceiver

 $250

GENERAL SPECIFICATIONS
Frequency Coverage: 28.000 to 29.699 Mhz (export 25.160-29.760 Mhz)
Antenna Impedance: 50 ohm, unbalanced
Frequency Control: Digital Phase-Lock Loop (PLL) Synthesizer
Frequency Accuracy: Better than +10 ppm from 0 - 40 °C after 15 min. warm up
Power Requirement: 12 -13.8 V DC, negative ground
Current Consumption: 6 amps maximum
Dimensions: 6 x 2 x 9.5 in (W x H x D)
Weight: 2.9 Ibs

TRANSMITTER SPECIFICATIONS
Power Output: SSB/ FM...40 Watts, ...AM..10 Watts RMS / 40 Watts PEP
Tuning Steps: 1 kHz /10 kHz /100 kHz
Final Transistors: ERF2030 MOSFET (x2)
Spurious Emissions: More than 50 dB below peak output power
Carrier Suppression: More than 40 dB below peak output power
Unwanted Sideband: More than 50 dB below peak output (1 kHz tone)
FM Deviation: +/- 5 kHz maximum
Audio Response: More than 30dB below peak output
Frequency Response: 400 to 2800 Hz
Microphone Impedance: ECM, 600 to 1 K ohms

RECEIVER SPECIFICATIONS
Circuit Type: Dual-Conversion Super-heterodyne
Intermediate Frequencies:
1st IF/SSB IF...10.695 MHz
2nd IF...455 kHz
Sensitivity:
SSB...0.25 V at 10 dB S + N/N
AM...1.0 Vat10dBS+N/N
FM...0.3 Vat12dBSINAD
Selectivity:
SSB...4.2 kHz (-6 dB) / 8.5 kHz (-60 dB)
AM / FM...6.0 kHz (-6 dB) /18 kHz (-60 dB)
Clarifier Range: +/-1.5 kHz
Adjacent Channel Rejection: Better than 70 dB
I F Rejection: Better than 80 dB for all frequencies
Frequency Response: 250 to 3000 Hz
Audio Output Power: 2 watts minimum at 10% THD with an 8 ohm load
Audio Output Impedance: 8 ohms 
RF Power Output 40W SSB / 10W AM/ 40W FM
Dual Finals on Heat Sink
Modes AM, FM, USB, LSB
Microprocessor Controlled
5 memories
Last Channel Recall
Frequency Scan
10khz or 1khz steps
Variable RF Output Power all modes
Variable Mic Gain
Built in Speech Processor
5 Digit LCD Frequency Display
Scanning Microphone
Night Illuminated Display
Surface Mount Technology throughout
Dimensions 2(H) x 6(W) x 9.5(D) in

PIN 1- TX AUDIO

PIN 2 - RX

PIN 3 - TX PTT

PIN 4 - UP/DWN COMMON

PIN 5 - EARTH

PIN 6 -DC POWER (+8VDC)

What's in this package?
- Mobile bracket with screws
- Microphone
- DC cable
- Replacement fuse
- Manual in English language
Warranty:
90 day standard yeti communications R.T.B warranty concurrent with the1 year Magnum factory standard warranty.

Manufactor: Magnum USA

This site is © Copyright www.survival-systems.com 2005-2011, All Rights Reserved.