| General |
|---|
| Frequency coverage (MHz) |
| Version | Transmit | Receiver (Working Range | Broadcast |
|---|
| ID-51A |
144–148,
430–450*1 |
A Band: 137–174, 380–479
B Band: 108–174*2, 380–479 |
0.52–1.710,
88–108 |
*1Â Guaranteed Range: 144-148, 440-450MHz
*2 AM mode only for 108–136.995MHz |
| Type of emission |
F2D, F3E, F7W |
| No. of memory channels |
1304 channels (including repeater, program scan edges and call channels) |
| Operating Temperature Range |
–20˚C to +60˚C |
| Frequency stability |
±2.5ppm (on the basis of 25˚C) |
Power supply requirement
 Alkaline cells
 External DC Power |
7.4V DC (with BP-271, BP-272)
5.5V (with BP-273)
10–16V DC |
Current drain (at 7.4V DC)
 Tx High
 Rx Internal SP (16Ω)
  External SP (8Ω) |
Less than 2.5A
Less than 450mA/350mA (DV/FM)
Less than 300mA/200mA (DV/FM) |
| Antenna impedance |
50Ω (SMA) |
Dimensions (W×H×D)
(projections not included) |
58×105.4×26.4 mm
2.28×4.15×1.04 in |
| Weight (approx.) |
255g (with BP-271 & antenna) |
| Transmitter |
|---|
Modulation system DV,Â
FM |
GMSK reactance modulation,
FM reactance modulation |
Output power
(at 7.4V DC) |
5W, 2.5W, 1.0W, 0.5W, 0.1W
(High, Mid, Low2, Low1, S-low) |
| Spurious emissions |
Less than –60dBc (High, Mid),
Less than –13dBm (Low2, Low1, S-low) |
| Max. frequency deviation |
±5.0/2.5kHz (FM/FM-N) |
| Ext. Mic impedance |
2.2kΩ |
| Receiver |
|---|
Sensivity
  DV
 FM, FM-N |
Less than 0.28μV (at 1% BER)
Less than 0.18μV (at 12dB SINAD) |
Selectivity
  DV, FM-N
 FM |
More than 50dB
More than 55dB |
| Spurious rejection |
More than 60dB |
Audio output power
 Internal SP (16Ω load)
 External SP (8Ω load) |
(at 7.4V DC, 10% distortion)
More than 400mW
More than 200mW |
Applicable IP Rating
| Ingress protection standard |
|---|
| Water |
IPX7 (Waterproof protection) |
Â
Supplied Accessories
- Battery pack, BP-271
- Antenna, FA-S270C
- Belt clip, MB-127
- Wall charger, BC-167SA
- Programming software, CS-51PLUS
- Data cable, OPC-2350LU
- Hand strap
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