DeLOCK 12951, Руководство пользователя

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1. Specification and parameter
1.1 Limit parameter
Main parameter Performance Notes
Min. Max.
Power supply
（
V
）
0 5.2
Voltage over 5.2V will cause permanent
damage to module
Blocking power
（
dBm
）
- -10
Chances of burn is slim when modules
are used in short distance
Operating temperature
（ ℃ ）
-40 85 -
1.2 Operating parameter
Main parameter Performan ce
Remark
Min Typ. Max.
Operating voltage
（
V
）
3.3 5.0 5.2 ≥5.0 V ensures output power
Communication level
（
V
）
- 3.3 -
For 5V TTL, it may be at risk of
burning down
Operating temperature
（ ℃ ）
-40 - 85 Industrial design
Operating frequency
（
MHz
）
862 -868 893 Support ISM band
Power
consumptio
n
Transmitting current [mA] - 106 - Instant power consumption
Receiving current [mA] - 15 - -
Turn-off current [μA] - 4 - Software is shut down
Max Tx power
（
dBm
）
19.2 - 20.0 -
Receiving sensitivity
（
dBm
）
-144 -146 -147 Air data rate is 2.4kbps
Air data rate
（
bps
）
0.3k 2.4k 19.2k Controlled via user’s programming
Main parameter Description Remark
Distance for reference 3000m
Test condition
：
clear and open area, antenna gain: 5dBi
，
antenna height: 2.5m
，
air data rate: 2.4kbps
TX length 58 Btye
Maximum capacity of single package, automatic
subcontracting after exceeding
Buffer 512 Btye -
Modulation LoRa™ -