User Manual

Page 3 of 7
Introduction
This module is only authorized to be installed in fixed mount installation and may
not be installed in a mobile or portable device.
The MOD-24G-1 RF module is to be used in Sapling Digital Clocks such as the
SBD 3000 Series Clocks and equivalent models.
The module is only be connected to and installed in other Sapling products
.
Specifications
The PCB antenna gain is +3.3Db maximum.
The maximum output power will be 18 dBm.
The transmit cycle is a sequence of 80 data strings on 76 different frequencies,
each transmitted for 3 msec.
Every transmit cycle is 240 msec in duration (80 x 3ms).
The frequency hopping pattern is proprietary to Sapling and covers the range from
2.433 to 2.449 GHz.
Connections
The picture shows the MOD-24G-1 RF module and connector.
MOD-24G-1
J2 RF MODULE INTERFACE
PIN 1*
RF V+
PIN 2
RF SEL
PIN 3
RF CS
PIN 4
PAEN
PIN 5
GPO 0
PIN 6
EN
PIN 7
RF GPO 2
PIN 8
HGM
PIN 9
RF SO
PIN 10
RF GND
PIN 11
RF CLK
PIN 12
RF GND
PIN 13
RF SI
PIN 14
RF GND
* PIN 1 IS THE SQUARE PAD.
J2 RF MODULE
INTERFACE
FCC ID: R73MOD-24G-1
The Sapling Company, Inc. 215.322.6063 P.
1633 Republic Road 215.322.8498 F.
Huntingdon Valley, PA 19006 www.sapling-inc.com
USA