ETRX357HR-LRS Telegesis Ltd, ETRX357HR-LRS Datasheet - Page 6

• Manufacturer Part Number: ETRX357HR-LRS
• Description: MODULE, ZIGBEE, ETRX3, PA+LNA, HIROS
• Manufacturer: Telegesis Ltd
• Series: -r

Specifications of ETRX357HR-LRS

• Rohs Compliant: YES
• Frequency: 2.4GHz
• Data Rate - Maximum: 250kbps
• Modulation Or Protocol: 802.15.4 Zigbee
• Applications: General Purpose
• Power - Output: 20dBm (100mW)
• Sensitivity: -106dBm
• Voltage - Supply: 2.1V ~ 3.6V
• Current - Receiving: 33mA
• Current - Transmitting: 140mA
• Data Interface: Solder Pad
• Memory Size: 128kB Flash, 12kB RAM
• Antenna Connector: U.FL
• Operating Temperature: -40°C ~ 85°C
• Package / Case: Module
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

2 Product Approvals
The ETRX351-LRS and ETRX357-LRS have been designed to meet all national regulations for
world-wide use. In particular the following certifications have been obtained:
2.1 FCC Approvals
The Telegesis ETRX351-LRS and ETRX357-LRS with integrated Antenna as well as the
ETRX351HR-LRS and the ETRX357HR-LRS including the antennae listed in Table 2 complies
with FCC CFR Part 15 (USA).
approval as detailed in the FCC public notice DA00.1407.transmitter.
This device complies with Part 15 of the FCC rules. Operation is subject to the following
two conditions: (1) this device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired
operation.
This module complies with the USA SAR requirements and is not intended to be operated within
20cm of the body. The following statement must be included as a CAUTION statement in manuals
for OEM products to alert users on FCC RF exposure compliance:
“WARNING: To satisfy FCC RF exposure requirements for mobile transmitting devices, a
separation distance of 20cm or more should be maintained between the antenna of this
device and persons during operation. To ensure compliance, operations at closer
distances than this are not recommended.”
Item Part No.
1
2
3
4
An end user deploying an ETRX35x-LRS or an ETRX35xHR-LRS module together with an
external antenna as listed in Table 2 in not required to obtain a new authorization for the module –
BUT this not preclude the possibility that some other form of authorization or testing may be
required for the end product depending upon local territorial regulations.
The FCC requires the user to be notified that any changes or modifications made to this device
that are not expressly approved by Telegesis (UK) Ltd. may void the user's authority to operate the
equipment.
When using the ETRX351HR-LRS and ETRX357HR-LRS with approved antennae, it is required to
prevent end-users from replacing them with non-approved ones.
©2011 Telegesis (UK) Ltd
BKR2400
BT-Stubby
(Straight)
BT-Stubby
(right-angle)
Rufa (on
board)
Manufacturer
Embedded Antenna Design Ltd.
Embedded Antenna Design Ltd.
Embedded Antenna Design Ltd.
Antenova
The devices meet the requirements for modular transmitter
Table 2. Approved Antennae
- 6 -
ETRX351-LRS and ETRX357-LRS
Type
½ Wave
¼ Wave
¼ Wave
Chip
ETRX35x-LRS Product Manual
Impedance Gain
50Ω
50Ω
50Ω
50Ω
2 dBi
0 dBi
0 dBi
2.1dBi
(peak)