The Techie Den
Portable Two way radio GPS BT DMR Walki talki 66-88Mhz
Portable Two way radio GPS BT DMR Walki talki 66-88Mhz
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SPECIFICATIONS
Battery Capacity(mAh): 2100mha
Waterproof / Water-Resistant: No
Maximum Range: 5km-10km
Model Number: AT-D878S
Is_Display: Yes
Walkie Talkie Type: Portable
Output Power(w): 5w-10w
Material: Metal
Storage Channel: 4000
Frequency Range: 136-174 & 400-480Mhz
Dimensions: 129*61*39mm
MODEL NO.: AT-D878S Single band
Frequency range:
66-88MHz;136-174MHz; 220~260MHz;
350~400MHz; 400~480MHz(EXP 400-520MHz)
Functions:
#True-2-slot: Provide 2-slot communication which allows for 2 talk paths on 1 frequency; ETSI DMR Tier I and II compliant
#Power:10W turbo/5W/2.5W/0.5W
#Auto-senses digital or analog reception
#4000 channels + VFO; 200,000Contacts
#Display: 1.77 inch TFT color LCD, dual display; dual standby; dual PA
#Bandwidth: 12.5K/25K (Analog); 12.5K (DMR)
#Fixed and defined CTCSS/DCS encode and decode
#DTMF/2TONE/5TONE encode and decode
#Four different Tone-pluse frequencies
#Individual/Group/All call
#Support Contact Manager
#Display the Caller ID and name
#Icon indicator or Voice prompt when connecting with repeater
#SMS via keyboard, One touch call/text
#Zone selection; Ranging function between radios with GPS
#ANI function and PTT ID; VOX; Digital Recording and Play
#Roaming function; Talker alias function
#IP connect to Motorola Repeater
#Emergency alarm (with GPS data transmission)
#Either Voice Recording 500 hours(optional) or BT (optional)
#GPS (optional)
#AES256 Digital encrytion
#Earphone: KENWOOD connector; Waterproof: IP54
#Battery: 3100mAh Li-ion thick battery 2100mAh Polymer filmy battery(optional)
Specification
General |
||
Frequency Range |
UHF radio: 400-480MHz VHF radio: 136-174MHz |
|
Channel Capacity |
4000 channels |
|
Channel Spacing |
25KHz (Wide Band) ,12.5KHz (Narrow Band) |
|
Phase-locked Step |
5KHz, 6.25KHz |
|
Operating Voltage |
7.4V DC ±20% /(2100mAh/3100mAh) |
|
Frequency Stability |
±2.5ppm |
|
Operating Temperature |
-20℃~ +55℃ |
|
Size |
129×61×39mm (with battery pack) |
|
Weight |
282g (with battery pack, antenna) |
|
Receiving Part |
||
Wide band |
Narrow band |
|
Sensitivity(12dB SINAD) |
≤0.25μV |
≤0.35μV |
Digital Sensitivity |
0.3uV/-117.4dBm (BER 5%) 0.7uV/-110dBm (BER 1%) |
|
Adjacent Channel Selectivity |
≥70dB |
≥60dB |
Spurious Emission |
≤-57dB |
≤-57dB |
Spurious Rejection |
≥70dB |
≥70dB |
Blocking |
84db |
|
Hum & Noise |
≥45dB |
≥40dB |
Audio Distortion |
≤5% |
|
Audio Power Output |
1000mW/16Ω |
|
Transmitting Part |
||
Wide band |
Narrow band |
|
Power Output |
UHF radio: 9/5/2.5/1W VHF radio: 10/5/2.5/1W |
|
Modulation |
±5.0KHz@25KHz |
±2.5KHz@12.5KHz |
Adjacent Channel Power |
≥70dB |
≥60dB |
Hum & Noise |
≥40dB |
≥36dB |
Spurious Emission |
≤-36dBm |
≤-36dBm |
4FSK Digital Modulation |
12.5KHz(data)7K60FXD 12.5KHz(data+voice)7K60FXE |
|
Audio Distortion |
≤5% |
|
Error rate |
≤3% |






