SMX2 Datasheet | Radiometrix

Issue 1, 28 August 2007 Radiometrix Hartcran House, 231 Kenton Lane, Harrow, HA3 8RP, England Tel: +44 (0) 20 8909 9595, Fax: +44 (0) 20 8909 2233 Small Multi Multi-channel UHF Transceiver Standard: Variant: SMX2-433-5 (10m W) SMX2-XXX-5 (2m W-25m W) SMX2 is small multi-channel UHF transceiver operating on 433.05MHz434.79MHz European licence exempt band. SMX2 offers a fast-route to custom frequency on any UHF band from 431MHz to 436MHz with 25k Hz channel spacing. Features ! ! ! ! ! ! ! ! ! Conforms to ETSI EN 300 220-3 and EN 301 489-3 High performance double superhet, 128 channel PLL synthesizer Data rates up to 5 kbps for standard module Usable range over 500m Fully screened. Low profile Feature-rich interface (RSSI, analogue and digital baseband) Incorporate a 1200baud dumb modem Re-programmable via RS232 interface Low power requirements Figure 1: SMX2-433-5 Applications ! ! ! ! ! ! ! ! Handheld terminals Heavy vehicle/machine remote controls EPOS equipment, barcode scanners Data loggers Industrial telemetry and telemand In-building environmental monitoring and control High-end security and fire alarms Vehicle data up/download Technical Summary ! ! ! ! ! ! ! ! ! Operating frequency: 433.05 - 434.79MHz Custom variants from 431 - 436MHz on any 1MHz band 128 channels controlled via RS232 interface Transmit power: +10d Bm (10m W) nominal. Adjustable 2 - 25m W Supply range: 4.2V - 15V Current consumption: 30m A (10m W) transmit, 25m A receive Data bit rate: 5kbps max. (standard module) Receiver sensitivity: -120d Bm (for 12 d B SINAD) Size: 53 x 32 x 12mm .. Radiometrix Ltd SMX2 Data Sheet page 1 .. Radiometrix Ltd SMX2 Data Sheet Figure 2: SMX2 block diagram page 2 Figure 3: SMX2 footprint (Top) view Pin Description Pin 1a 2a 3a 4a 5a 6a 7a 8a 1b 2b 3b 4b Name RSSI Vcc TXD AF out RXD TXE PGM 0V 0V S0 S1 S2 Function DC level between 0.5V and 2.5V. 60d B dynamic range DC supply input. (4.2 - 15V at 50m A max.) DC...