*) Wideband Plug-on Transmitter

1. 개요

본 기기는 플러그온 송신기이며 다음과 같은 규격에 준한다.

2. 기능 및 특성

Highly-visible white OLED display

Quick setup via 5 waterproof buttons

Highly adjustable Mic Gain: 80dB in 1dB steps

Hardware Limiter for additional peak input protection (30 dB above peak)

P48 phantom power for condenser microphones

Audio input circuitry with highly accurate audio transformer

XLR-3F connector	with locking collar to ensuring an extremely tight, noiseless fit!

Infrared interface for quick frequency setup and firmware upgrade

Powering: 2 AA Batteries - Alkaline, rechargeable NiMH or Lithium

3. 규격 및 사양

Frequency range

- B7 option: 470 ÷ 663 MHz / B3 option: 510 ÷ 698 MHz /	B2 option: 566 ÷ 798 MHz / BP option: 806 ÷ 810 MHz /	B8 option: 940 ÷ 960 MHz / B6 option: 960 ÷ 1160 MHz

Switchable channels	: 2400 managed in 40 groups ofr 60 frequencies	completely user customizable

Switching-window	: Up to 232 MHz, depending on band

Frequencies	: Quartz PLL frequency synthesizer circuit	(25 kHz step)

Frequency error	: ±2.5 ppm, in the rated temperature range

RF Power	: switchable typ. 10 mW / 50 mW /100 mW

Modulation	: wideband FM, with pre-emphasis

Nominal deviation	: ±40 kHz

Peak deviation	: ±56 kHz

Spurious emissions	: < 2 nW

Telemetry feature (TX transmits also a digitally modulated sub-carrier, suitable for)

- tone-squelch operating

- remote battery monitoring, compander and modulation control

- optional PTT (push to talk) operation

Noise Reduction system	: ENR  (Wisycom Extended-NR), with	independent Attack- and Recovery-time, noise	optimized	: ENC  (Wisycom Extended-NC), with	independent Attack- and Recovery-time, voice	optimized & with reduced pre-emphasys

AF bandwidth in NarrowBand mode (NB)

- Audio frequency response (dBa)	:45 Hz, 17 KHz (3dB)

Distortion	: < 0.3 % (0.15 % typ.)

SND/D ratio (Analogue)

- typ. 115 dB (A)rms with 40 kHz deviation; typ. 121 dB (A)rms with 56 kHz	deviation Wideband

- typ. 115 dB (A)rms with 25 kHz deviation; typ. 121 dB (A)rms with 35 kHz

deviation Narrowband

Audio input connector	: XLR-3F (transformer isolated) with locking	collar and 48V phantom power

Audio input level	: from -54 dBu (775 uV) to 26 dBu (15.5 V) at	peak deviation (1 kHz), adjustable in 1 dB steps

Max input level	:+26 dBu (15.5 V) at clipping, +20 dBu (7.75 V)	at nominal level

Managing interface	: IrDA

LED : RGB led indication with (red, green and blue)	on wireless power switch

- Wireless transmission status: GREEN on/RED off

- Battery lifetime status: GREEN steady (> 25%), slowly blinking (< 25%), quickly	blinking (<12%)

- Modulation peek (if activated & the limiter is disabled): RED

- Ptt status: RED if active

- Limiter into action: Blue

Battery level indication	: 8 steps : 7 bars	(100%-87%-75%-63-50%-38%-25%) and	“empty bar” quickly blinking (12% remaining)

Display	: High contrast OLED white display (128 x 32	pixels)

Power supply	: 2 AA size cell (Alkaline, rechargeable NiMH or	Lithium)

Temperature range	: -10 ÷ +55 °C

Dimensions	: 124 x 40 x 34 mm (HxWxD)

Weight	: Approx. 210g. without batteries (250gwith batt)

* MTB40S 동급이상품