AC4790 Proprietary 900MHz OEM Radio Module

AC4790

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AC4790 Proprietary 900MHz OEM Radio Module Features:

True peer-to-peer protocol
Ultra-fast sync time (25 msec)
Small form factor: 1.65 x 1.9 inches
API commands to control packet routing
Software-controlled sensitivity
Network node discovery
Variable output power: 5mW to 1000mW

High-performance AC4790 transceivers utilize AeroComm's "masterless" protocol, allowing each transceiver to communicate with any other in-range transceiver for true peer-to-peer operation.
Using field-proven 900MHz FHSS technology that needs no additional site licensing*, AC4790s reject interference, enable co-located system operation, increase output power and maintain data integrity.
AC4790's protocol features a dynamic addressing scheme, which simplifies node-to-node communication. The transceiver enables identification of the most efficient transmission path, so OEMs can design routing sequences that optimize the RF network. This makes AC4790 ideal for a wide variety of industrial applications that must rely on smooth, constant data flow.

Commercial Buildings: Security & fire alarms, lighting controls, surveillance, building automation, HVAC controls.

Field Surveillance: SCADA, oil & gas, water & wastewater, tank monitoring, activity alarms.

Utilities Management: Automatic meter reading, load profiling & forecasting, data management, tampering alerts, real-time support.

Recreation Areas: Golf cart tracking, score keeping, order entry, irrigation systems, grounds maintenance.

Fleet Telemetry: Vehicle tracking, cargo data, weigh scales, maintenance logs, mapping.

Associated products:

AC4490 Proprietary 900MHz Radio Module (Laird Technologies)

Specifications:
Parameter	AC4790–200	AC4790–1000
Interface	20-pin mini connector	20-pin mini connector
Frequency (software selectable)	902-928 MHz (U.S)**	902-928 MHz (U.S)**
Modulation	FHSS FSK	FHSS FSK
Serial interface options	3V or 5V TTL	3V TTL
Serial interface data rate	Up to 115.2 Kbps	Up to 115.2 Kbps
Output power (w/ 3dBi antenna)	5mW-200mW variable	5mW-1000mW variable
Power consumption†	68 mA typical	650 mA typical
Channels	Up to 48 (U.S.)**	Up to 32 (U.S.)**
Security	One-byte system ID, DES	One-byte system ID, DES
Voltage	3.3V-5.5V	pin 10: 3.3V-5.5V; pin 11: 3.3V +/-3%
Sensitivity (adjustable)	-110 dB in 'long range' mode	-110 dB in 'long range' mode
Range (line-of-sight)	Up to 4 miles (up to 6.5 km)(with external antenna)	Up to 20 miles (up tp 32 km) (with high-gain antenna)
Temperature	-40°C to +80°C	-40°C to +80°C
Humidity (non-condensing)	10% to 90%	10% to 90%
Dimensions	1.90 x 1.65 x 0.20 inches (49 x 42 x 5 mm)	1.90 x 1.65 x 0.20 inches (49 x 42 x 5 mm)
Weight	< 0.75 oz (< 21 g)	< 0.75 oz (< 21 g)
Antenna	Integral or external dipole††	External dipole††
* The 900MHz frequency band is approved in the Americas and Australia as an unlicensed spectrum subject to approval by device. ** For products and specifications suited to non-U.S. countries, please contact AeroComm directly. † Power consumption assumes 50% transmitter on-time. †† Higher-gain antennas optional.

Ordering Information:
Part Number	Description
AC4790-200M	900MHz transceiver, 3.3V-5.5V, TTL serial, 0–10mW, -40°C to +80°C, MMCX antenna
AC4790-200A	900MHz transceiver, 3.3V-5.5V, TTL serial, 0–10mW, -40°C to +80°C, integral antenna
AC4790-1000M	900MHz transceiver, 3.3V, TTL serial, 5–1000mW, -40° to +80°C, MMCX antenna

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that the manufacturer's original data is referred to at all times