Oriental Huaray Group Limited
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Technical specification of HR-1028:
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PERFORMANCE |
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Power Output: |
≤500mW) <customized> |
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RF Line-of-sight Range: |
2Km@9600bps, 3Km@1200bps |
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RF Effective Rate: |
1200~38400bps optional, 57600bps customized |
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Receiver Sensitivity: |
-123dBm@1200bps, -118dBm@9600bps |
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NETWORKING |
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Networking Topology: |
Point-to-point, point-to-multipoint |
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POWER |
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Supply Voltage: |
5V DC(customized according requirement) |
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Transmitting Current: |
<350mA |
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Receiving Current: |
<28mA (TTL connect) |
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Sleeping Current: |
<20µA |
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GENERAL |
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Frequency Band: |
433MHz(Default), 450MHz~915MHz(customized) |
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Communication Mode: |
Half-duplex |
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Channel: |
8(Default), 16/32(customized) |
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Interface: |
RS-232/RS-485/USB/TTL optional |
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PHYSICAL PROPERTIES |
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Size: |
80mm*45mm*19mm (without antenna port) |
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Antenna Impedance: |
50Ω SMA (multiple antenna options available) |
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Operating Temperature: |
-35~+75 C |
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Frequency Stability; |
±2.5ppm |
Interface definition:
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Pin No. |
Pin name |
Description |
Level |
Remands |
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1 |
GND |
Grounding of power supply |
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|
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2 |
Vcc |
Power supply DC |
5 V |
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3 |
RXD/TTL |
Serial data receiving end |
TTL |
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4 |
TXD/TTL |
Serial data transmitting end |
TTL |
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5 |
DGND |
Digital grounding |
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6 |
A (TXD) |
A of RS-485 or TXD of RS-232 |
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7 |
B (RXD) |
B of RS-485 RXD of RS-232 |
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8 |
SLEEP |
Sleep control (input) |
TTL |
Low level sleep |
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9 |
RESET |
Reset (input) |
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