IC-W21AT
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GENERAL
| Type | Amateur VHF/UHF transceiver |
|---|---|
| Frequency rangedepending on version | USA TX: 144-148 / 440-450 MHz RX: 100-995 MHz Australia TX: 144-148 / 430-440 MHz RX: 100-995 MHz NB! The wide RX frequency range may require modification |
| Tuning steps | 5 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 KHz |
| Frequency stability | ±5 ppm @ 0 to 50°C (32 to 122°F) |
| Mode | TX: FMRX: AM / FM |
| Channels / memory management | 64 regular (32 per band) 2 repeater (1 per band) 2 call (1 per band) 2 scan edge pairs (1 per band) Priority function RAM storage with rechargeable backup battery (Supercap?) |
| Repeater shift / offset | ±0 to 60 MHz in selected step size |
| Power supply | 7.2-12 VDC (Depending on battery pack)or 6-16 VDC external (Barrel connector, center positive) |
| Current drain / power consumption | RX: 15-200 mATX: 0.5-1.5 A |
| Antenna impedance / connector | 50 ohm / BNC |
| Dimensions (W*H*D) | 57*125*35 mm (2.24*4.92*1.38") |
| Weight | 390 g (13.76 oz), with BP-157 and antenna |
| Other features | CTCSS/PL (Pre-installed in USA version). Cross band repeater function. DTMF. Clock/timer. Backlit display. Twin RX (V+U, V+V or U+U reception). |
RECEIVER SECTION
| Receiver system | Double conversion superheterodyne 1st IF: 43.1 MHz (VHF) — 45.15 MHz (UHF) 2nd IF: 455 KHz |
|---|---|
| Sensitivity | 2 m/70 cm: 0.16 uV (12 dB SINAD) |
| Squelch sensitivity | Less than 0.13 uV (Threshold) |
| Noise figure | — |
| Selectivity | 15 KHz (-6 dB)30 KHz (-60 dB) |
| Image rejection | 60 dB |
| AF output power / speaker | 200 mW at 10% distortion / 8 ohm |
| External speaker connector | TS «Minijack» (3.5 mm), 8 ohm |
TRANSMITTER SECTION
| RF output power | HighLow 3Low 2Low 1E Low 2 m:2-5 W2-3.5 W1.5 W500 mW15 mW 70 cm:2-5 W2-3.5 W1.5 W500 mW15 mW The high and low3 power settings depend on voltage / battery pack. |
|---|---|
| 2 m | 2-5 W |
| 70 cm | 2-5 W |
| Modulation system | Variable reatance frequency modulation |
| Max FM deviation (Factory set) | ±5 KHz |
| Spurious emissions | Better than -60 dB |
| Microphone impedance / connector | 2 Kohm / TRS «Subminijack» (2.5 mm) |
| Microphone input level | — |
MISCELLANEOUS
| Manufactured | Japan, 1992-199x (Discontinued) |
|---|---|
| Additional info | — |
| AD-25 AD-28 BC-77A BC-77D BC-77E BC-77V BC-79 BP-130 BP-131 BP-132 BP-157 CP-13L FA-B270A HM-9 HM-30 HM-46 HM-54 HM-55A HM-75 HS-51 LC-105 LC-106 OPC-288L SP-13 UT-63 | Battery charge adapter Battery pack adapter Wall charger. 12 VDC, 100 mA Wall charger. 12 VDC, 100 mA (For 220 VAC) Wall charger. 12 VDC, 100 mA Wall charger. 12 VDC, 100 mA Desktop rapid charger Battery case (Six LR6/AA batteries) NiCd battery pack. 7.2 V, 900 mAh NiCd battery pack. 12 V, 600 mAh NiCd battery pack. 7.2 V, 900 mAh Cigarette lighter cable with noise filter Dual band flexible antenna Speaker-microphone Mounting bracket Speaker-microphone Speaker-microphone Speaker-microphone with DTMF keypad Speaker-microphone with remote control buttons Headset with VOX & PTT Carrying case, for use with BP-130, BP-131 & BP-157 Carrying case, for use with BP-132 DC power cable Earphone CTCSS/PL unit |
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