TM-731E
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GENERAL
| Type | Amateur VHF/UHF transceiver |
|---|---|
| Frequency range | Europe TX: 144-146 / 430-440 MHz RX: 136-174 / 430-440 MHz |
| Tuning steps | 5 / 10 / 12.5 / 15 / 20 / 25 KHz |
| Frequency stability | ±? ppm @ -20 to +60°C (-4 to +140°F) |
| Mode | FM |
| Channels / memory management | 14 regular 2 scan edge 2 odd split 1 call RAM storage with lithium battery backup |
| Repeater shift / offset | 2 m: ±600 KHz70 cm: ±1.6 and -7.6 MHz |
| Power supply | 13.8 VDC ±15% |
| Current drain / power consumption | RX: Less than 600 mA (No signal)TX: Less than 11 A |
| Antenna impedance / connector | 50 ohm / One N-jack and one SO-239 (On pigtails) |
| Dimensions (W*H*D) | 150*50*219 mm (5.9*2*8.6") |
| Weight | 1.8 Kg (3.97 lb) |
| Other features | 1750 Hz repeater tone. Twin RX. |
RECEIVER SECTION
| Receiver system | Double conversion superheterodyne, USA 1st IF: 16.9 MHz (2 m) — 21.6 MHz (70 cm) 2nd IF: 455 KHz Double conversion superheterodyne, Other markets 1st IF: 10.7 MHz (2 m) — 30.825 MHz (70 cm) 2nd IF: 455 KHz |
|---|---|
| Sensitivity | 2 m: 0.2 uV (12 dB SINAD) 70 cm: 0.16 uV (12 dB SINAD) |
| Selectivity | 12 KHz (-6 dB)24 KHz (-60 dB) |
| Image rejection | — |
| AF output power / speaker | 2 W at 5% distortion / 8 ohm |
| External speaker connector | 3.5 mm, 8 ohm |
TRANSMITTER SECTION
| RF output power | HighLow 2 m:50 W5 W 70 cm:35 W5 W |
|---|---|
| 2 m | 50 W |
| 70 cm | 35 W |
| Modulation system | Reactance modulation |
| Max FM deviation (Factory set) | ±5 KHz |
| Spurious emissions | Better than -60 dB |
| Microphone impedance / connector | 500-600 ohm / 8-pin (Metal locking ring connector) |
| Microphone input level | — |
MISCELLANEOUS
| Manufactured | 199x-1992 (Discontinued) |
|---|---|
| Additional info | — |
| MA-700 MB-11 MC-44 MC-44DM MC-44DME MC-44E MC-55 MC-60A MC-80 MC-85 PG-2N PG-3B PS-50 PS-430 RC-10 SP-41 SP-50B SP-430 | Dual band mobile antenna with duplexer Mobile mounting bracket Multifunction microphone Multifunction microphone with autopatch Multifunction microphone with autopatch (Europe) Multifunction microphone (Europe) Mobile microphone Desk microphone with up/down buttons Omnidirectional desk microphone with up/down buttons Unidirectional desk microphone with up/down buttons DC power cable DC line noise filter Power supply. 13.8 VDC, 20 A Power supply. 13.8 VDC, 10 A (20 A peak) Remote controller / handset Mobile speaker. 4 ohm Mobile speaker. 8 ohm External speaker |
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