ER900TRS EASY RADIO, ER900TRS Datasheet - Page 6

• Manufacturer Part Number: ER900TRS
• Description: MODULE, TX, 868MHZ
• Manufacturer: EASY RADIO

Specifications of ER900TRS

• External Depth: 4mm
• External Length / Height: 14mm
• External Width: 37mm
• Frequency: 868MHz
• Operating Temperature Max: 65°C
• Operating Temperature Min: -20°C
• Output Power: 5mW
• Range: 120m

ERx00TS-02 Transmitter
Pin Description
Notes
LPRS Data Sheet
Pin
No
1
2
3
4
5
ERx00-02 Series V2.3
1. The module operates internally from an on board 3.3 Volt low drop regulator.
2. TXD input will be correctly driven by logic operating at 5 Volts (CMOS & TTL logic levels). Input
should not be driven by an analogue source.
Name
RF Gnd
RF Out
Vcc
Gnd
TXD
Datasheet Revision 2.3 Sept 2005
RF Gnd (1)
Antenna (2)
12 mm
Description
RF ground. Connect to antenna ground (coaxial cable screen
braid) and local ground plane. Internally connected to Pin 4
50Ω RF output. Connect to suitable antenna
Positive supply pin. +2.5 to +5.5 Volts. This should be a
‘clean’ noise free supply with less than 25mV of ripple
Supply 0 Volt and Ground Plane
Transmit Data Digital Input (SDI)
ER400TS Transmitter, ER400RS Receiver & ER400TRS Transceiver
ER900TS Transmitter, ER900RS Receiver & ER900TRS Transceiver
Pin Pitch 2.54 mm PCB Hole Size 1.0 mm
1
Figure 2 Physical Dimensions
2
RF Transmitter
Figure 1 Block Diagram
Easy-Radio ‘02’ (2
(Transmitter)
20.32mm
Top View
31.0mm
3
Copyright LPRS 2005.
nd
4 5
Generation Modules)
Processor
Regulator
Micro
4 mm
Vcc (3)
TXD (5)
Gnd (4)
Notes
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