Products
2W Mini Digital Walkie Talkie
compatible and stable, small DM-310 handheld digital radio offers a simple communication solution, ideal for users operating in manufacturing, facilities management or education environments.
Specification
|
General |
|
|
Frequency range |
136-174MHz 400-480MHZ |
|
Channel |
256 Channels |
|
Channel spacing |
12.5KHZ |
|
Working voltage |
4.0V |
|
Working temperature |
-40C+85℃ |
|
Antenna impedance |
50Ω |
|
Audio power |
1000MW@8Ω |
|
Dimension |
89*49*31mm |
|
Transmit |
|
|
Power |
High：2W low：0.5W |
|
Frequency stability |
+-1.0PPM |
|
Adjacent Channel power |
≤-60db |
|
Free time slot power |
TDMA≤-57dbm |
|
FM modulation mode |
12.5KHZ：11K0F3E |
|
Modulation deviation |
2.5KHZ：@12.5KHZ |
|
Stable time slot power |
-57dbm |
|
Digital protocol |
ETS ITS 102361-1-2-3 |
|
Vocoder type |
AM BE+2TM |
|
Modulation BER(bit error rate) |
≤5% |
|
4FSK digital mode |
12.5KHZ(data only) :7K60FXD 12.5KHZ(data+voice) :7K60EXW |
|
Receiver |
|
|
Analog sensibility |
≤-121dBm@12dB SINAD
|
|
Digital sensibility |
≤-121dBm@5% BER
|
|
Co-channel rejection |
≥-12db |
|
Adjacent channel selectivity |
TIA603C：65DbETSI：60dB |
|
Spurious response |
TIA603C：75DbETSI：70dB |
|
Audio power |
0.5W |
|
Audio distortion |
≤3% |
|
Audio response |
1~-3dB |
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