AC4790-200A-485 Laird Technologies, AC4790-200A-485 Datasheet - Page 7

• Manufacturer Part Number: AC4790-200A-485
• Description: TXRX 900MHZ 3.3-5.5V FHSS 200MW
• Manufacturer: Laird Technologies
• Series: AeroCommr

Specifications of AC4790-200A-485

• Frequency: 902MHz ~ 928MHz
• Data Rate - Maximum: 115.2kbps
• Modulation Or Protocol: FHSS, FSK
• Applications: AMR, Fire & Security Alarms, Telemetry
• Power - Output: 5mW ~ 200mW
• Sensitivity: -110dBm
• Voltage - Supply: 3.3V, 5V
• Current - Transmitting: 68mA
• Data Interface: Connector, 2 x 10 Header
• Antenna Connector: On-Board, Chip
• Operating Temperature: -40°C ~ 85°C
• Package / Case: Module
• Wireless Frequency: 900 MHz
• Interface Type: 20-pin mini connector
• Board Size: 49 mm x 42 mm x 5 mm
• Modulation: FHSS, FSK
• Security: 1 byte System ID, DES
• Operating Voltage: 3.3 V to 5.5 V
• Output Power: 200 mW
• Antenna: Integral and External Dipole
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Memory Size: -
• Current - Receiving: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

S
20 Pin Interface Connector
RF Connector
Antenna
Serial Interface Data Rate
Power Consumption (typical)
Channels
Security
Interface Buffer Size
Frequency Band
RF Data Rate
RF Technology
Output Power
Supply Voltage
Sensitivity
EEPROM write cycles
Initial Transceiver Sync time/Hop period
PECIFICATIONS
T a b l e 1 : A C 4 7 9 0 S p e c i f i c a t i o n s
Molex 87759-0030, mates with Samtec SMM-110-02-S-D
Johnson Components 135-3711-822
AC4790-1x1: Customer must provide
AC4790-200: MMCX Connector or integral antenna
AC4790-1000: MMCX Connector
Baud rates from 1200 bps to 115,200 bps
AC4790-1x1:
AC4790-200:
AC4790-1000:
3 Channel Sets comprising 56 total channels
One byte System ID. 56-bit DES encryption key.
Input/Output:256 bytes each
902 – 928 MHz
76.8 kbps fixed
Frequency Hopping Spread Spectrum
AC4790-1x1:
AC4790-200:
AC4790-1000: 743mW typical
AC4790-1x1: 3.3V, ±50mV ripple
AC4790-200: 3.3 – 5.5V, ±50mV ripple
AC4790-1000*: Pin 10: 3.3 – 5.5V ±50mV ripple
* Pins 10 and 11 may be tied together, provided the supply voltage never falls below 3.3 V and is
capable of supplying 1.5 A of current.
-100dBm typical @ 76.8kbps RF Data Rate
-110dBm typical @ 76.8kbps RF Data Rate (AC4490LR-200/AC4490LR-1000)
20000
25ms / 50 ms
Pin 11: 3.3 ±3%, ±100mV ripple
www.lairdtech.com\wireless
Conducted (no antenna)
100mW typical
10mW typical
Transceiver
130mA
33mA
38mA
General
10%TX
Duty Cycle (TX=Transmit; RX=Receive)
650mA
54mA
68mA
50%TX
EIRP (3dBi gain antenna)
1486mW typical
200mW typical
20mW typical
1300mA
106mA
80mA
100%TX
30mA
28mA
30mA
100%RX
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