Telit Wireless Solutions ME70-169, Руководство пользователя

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ME70-169 RF Module User Guide
1vv0301021 rev.3 – 2014-11-14
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved.
Page 16 of 40
3.7. Radio Specifications
Measured on DIP interface with T = 25°C, Vdd = 3V, 50 ohm impedance and default power
register setting if nothing else noted.
Global
ERC Rec 70-03
Frequency Band
169.4 – 169,475 Mhz
EN_13757-4
Channels
Channel 1a Channel 1b Channel 2a Channel 2b Channel 3a Channel 3b Channel 0
Center frequency
(MHz)
169,40625 169,41875 169,43125 169,44375 169,45625 169,46875 169,4375
Channel width (kHz) 12.5 50
RF data rate (kbps) 4.8
2.4 or
4.8
4.8 19.2
Transmission
Duty cycle
≤ 10%
Modulation Format GMSK GFSK GMSK 4GFSK
Deviation (kHz) +/- 2.4 +/- 2.4 +/- 2.4
-7.2, -2.4,
+2.4, +7.2
Frequency tolerance
(kHz)
+/- 1.5 +/- 2.0 +/- 1.5 +/- 2.5
RF Output Power
Selectable by software (see Protocol Stack User Guides [7])
among the following levels (dBm): +12, +15, +18, +21, +24, +27, +30
Max permitted e.r.p +27dBm (500 mW)
eception
Measured Sensitivity
for PER< 0,8
-115 dBm
-119 dBm @ 2.4kbps
-115 dBm @ 4.8kbps
-115 dBm -107 dBm
Min permitted
Sensitivity
for PER< 0,8*
-112 dBm
-115 dBm @ 2.4kbps
-112 dBm @ 4.8kbps
-112 dBm -104 dBm
Saturation
for PER< 20%
Up to +10 dBm under 50
Ω
*At a frame size of 20 bytes.